component

CD74HC4049NSR

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by adom

Texas Instruments Buffers, Drivers, Receivers, Transceivers, SO-16. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.

componentlogiccd74hc4049nsrfactory-2.0.0extractor-text
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Publish 0.1.1

Ray ·776015b104 ·6h ago ·parent dae65cd
9 files changed +111−373
README.md+16−16cd74hc4049nsr-hero.glbcd74hc4049nsr-hero.overlay.json+17−17cd74hc4049nsr.kicad_sym+25−25cd74hc4049nsr.lbr+46−35package.json+1−1page.json+4−4viewers/footprint.html+1−210viewers/symbol.html+1−65
README.md+16−16
@@ -8,22 +8,22 @@ CD74HC4049NSR from Texas Instruments, in a SO-16. Pinout and pin descriptions ex  | Pin | Name | Type | Function | |---|---|---|---|-| 1 | NC | unconnected | No Connect |-| 2 | 6A | input | Inverting input for stage 6; accepts 0V to 16V input levels |-| 3 | NC | unconnected | No Connect |-| 4 | 5Y | output | Inverting output for stage 5; provides 0V to VCC logic level output |-| 5 | 5A | input | Inverting input for stage 5; accepts 0V to 16V input levels |-| 6 | 4Y | output | Inverting output for stage 4; provides 0V to VCC logic level output |-| 7 | 4A | input | Inverting input for stage 4; accepts 0V to 16V input levels |-| 8 | 6Y | output | Inverting output for stage 6; provides 0V to VCC logic level output |-| 9 | 3A | input | Inverting input for stage 3; accepts 0V to 16V input levels |-| 10 | GND | power_in | Ground reference for device |-| 11 | 3Y | output | Inverting output for stage 3; provides 0V to VCC logic level output |-| 12 | 2A | input | Inverting input for stage 2; accepts 0V to 16V input levels |-| 13 | 2Y | output | Inverting output for stage 2; provides 0V to VCC logic level output |-| 14 | 1A | input | Inverting input for stage 1; accepts 0V to 16V input levels |-| 15 | 1Y | output | Inverting output for stage 1; provides 0V to VCC logic level output |-| 16 | VCC | power_in | Positive power supply; 2V to 6V for HC types |+| 1 | VCC | power_in | Positive supply, 2V to 6V operating for HC types (absolute max -0.5V to 7V); also sets the output logic level for level translation. |+| 2 | 1Y | output | Inverting buffer output 1 (Y = NOT 1A), output voltage 0V to VCC, ±25mA max DC output current, standard 10 LSTTL fanout. |+| 3 | 1A | input | Input to inverter 1 with modified input protection allowing high-to-low level translation; operating range 0V to 15V (absolute max 16V), independent of VCC. |+| 4 | 2Y | output | Inverting buffer output 2 (Y = NOT 2A), output voltage 0V to VCC, ±25mA max DC output current. |+| 5 | 2A | input | Input to inverter 2, level-translating input with an operating range of 0V to 15V (absolute max 16V). |+| 6 | 3Y | output | Inverting buffer output 3 (Y = NOT 3A), output voltage 0V to VCC, ±25mA max DC output current. |+| 7 | 3A | input | Input to inverter 3, level-translating input with an operating range of 0V to 15V (absolute max 16V). |+| 8 | GND | power_in | Ground reference; ±50mA max DC ground current. |+| 9 | 4A | input | Input to inverter 4, level-translating input with an operating range of 0V to 15V (absolute max 16V). |+| 10 | 4Y | output | Inverting buffer output 4 (Y = NOT 4A), output voltage 0V to VCC, ±25mA max DC output current. |+| 11 | 5A | input | Input to inverter 5, level-translating input with an operating range of 0V to 15V (absolute max 16V). |+| 12 | 5Y | output | Inverting buffer output 5 (Y = NOT 5A), output voltage 0V to VCC, ±25mA max DC output current. |+| 13 | NC | unconnected | No internal connection. |+| 14 | 6A | input | Input to inverter 6, level-translating input with an operating range of 0V to 15V (absolute max 16V). |+| 15 | 6Y | output | Inverting buffer output 6 (Y = NOT 6A), output voltage 0V to VCC, ±25mA max DC output current. |+| 16 | NC | unconnected | No internal connection. |  ## Key specifications
cd74hc4049nsr-hero.glb
⋯ 1 unchanged line ⋯
cd74hc4049nsr-hero.overlay.json+17−17
@@ -74,13 +74,13 @@     "footprint": "cd74hc4049nsr.kicad_mod",     "footprint_sha256": "f9b5075740f7816c540ae1137f025d659beaec522ed7b86b1a5274cc9a2d8a25",     "pins": "page.json component.pins",-    "pins_sha256": "e52c5f5d4190268806cfc3833bc70211408d502ae001a5fb87fa49266344dba0"+    "pins_sha256": "c5fe60d32cbfa32e514a996d360a5ea35749b3ddb6462137363b2df6c74b1164"   },   "generator": "adom-wiki 1.7.77 (component_hero)",   "labels": [     {       "pad": "1",-      "text": "NC",+      "text": "VCC",       "x": -3.6,       "y": -4.445,       "align": "right",@@ -89,7 +89,7 @@     },     {       "pad": "2",-      "text": "6A",+      "text": "1Y",       "x": -3.6,       "y": -3.175,       "align": "right",@@ -98,7 +98,7 @@     },     {       "pad": "3",-      "text": "NC",+      "text": "1A",       "x": -3.6,       "y": -1.905,       "align": "right",@@ -107,7 +107,7 @@     },     {       "pad": "4",-      "text": "5Y",+      "text": "2Y",       "x": -3.6,       "y": -0.635,       "align": "right",@@ -116,7 +116,7 @@     },     {       "pad": "5",-      "text": "5A",+      "text": "2A",       "x": -3.6,       "y": 0.635,       "align": "right",@@ -125,7 +125,7 @@     },     {       "pad": "6",-      "text": "4Y",+      "text": "3Y",       "x": -3.6,       "y": 1.905,       "align": "right",@@ -134,7 +134,7 @@     },     {       "pad": "7",-      "text": "4A",+      "text": "3A",       "x": -3.6,       "y": 3.175,       "align": "right",@@ -143,7 +143,7 @@     },     {       "pad": "8",-      "text": "6Y",+      "text": "GND",       "x": -3.6,       "y": 4.445,       "align": "right",@@ -152,7 +152,7 @@     },     {       "pad": "9",-      "text": "3A",+      "text": "4A",       "x": 3.6,       "y": 4.445,       "align": "left",@@ -161,7 +161,7 @@     },     {       "pad": "10",-      "text": "GND",+      "text": "4Y",       "x": 3.6,       "y": 3.175,       "align": "left",@@ -170,7 +170,7 @@     },     {       "pad": "11",-      "text": "3Y",+      "text": "5A",       "x": 3.6,       "y": 1.905,       "align": "left",@@ -179,7 +179,7 @@     },     {       "pad": "12",-      "text": "2A",+      "text": "5Y",       "x": 3.6,       "y": 0.635,       "align": "left",@@ -188,7 +188,7 @@     },     {       "pad": "13",-      "text": "2Y",+      "text": "NC",       "x": 3.6,       "y": -0.635,       "align": "left",@@ -197,7 +197,7 @@     },     {       "pad": "14",-      "text": "1A",+      "text": "6A",       "x": 3.6,       "y": -1.905,       "align": "left",@@ -206,7 +206,7 @@     },     {       "pad": "15",-      "text": "1Y",+      "text": "6Y",       "x": 3.6,       "y": -3.175,       "align": "left",@@ -215,7 +215,7 @@     },     {       "pad": "16",-      "text": "VCC",+      "text": "NC",       "x": 3.6,       "y": -4.445,       "align": "left",
cd74hc4049nsr.kicad_sym+25−25
@@ -8,68 +8,68 @@       (stroke (width 0.254) (type default)) (fill (type background)))     )     (symbol "CD74HC4049NSR_1_1"-    (pin no_connect line (at -17.78 7.62 0) (length 5.08)-      (name "NC" (effects (font (size 1.27 1.27))))+    (pin power_in line (at -17.78 7.62 0) (length 5.08)+      (name "VCC" (effects (font (size 1.27 1.27))))       (number "1" (effects (font (size 1.27 1.27))))     )-    (pin input line (at -17.78 5.08 0) (length 5.08)-      (name "6A" (effects (font (size 1.27 1.27))))+    (pin output line (at -17.78 5.08 0) (length 5.08)+      (name "1Y" (effects (font (size 1.27 1.27))))       (number "2" (effects (font (size 1.27 1.27))))     )-    (pin no_connect line (at -17.78 2.54 0) (length 5.08)-      (name "NC" (effects (font (size 1.27 1.27))))+    (pin input line (at -17.78 2.54 0) (length 5.08)+      (name "1A" (effects (font (size 1.27 1.27))))       (number "3" (effects (font (size 1.27 1.27))))     )     (pin output line (at -17.78 0.00 0) (length 5.08)-      (name "5Y" (effects (font (size 1.27 1.27))))+      (name "2Y" (effects (font (size 1.27 1.27))))       (number "4" (effects (font (size 1.27 1.27))))     )     (pin input line (at -17.78 -2.54 0) (length 5.08)-      (name "5A" (effects (font (size 1.27 1.27))))+      (name "2A" (effects (font (size 1.27 1.27))))       (number "5" (effects (font (size 1.27 1.27))))     )     (pin output line (at -17.78 -5.08 0) (length 5.08)-      (name "4Y" (effects (font (size 1.27 1.27))))+      (name "3Y" (effects (font (size 1.27 1.27))))       (number "6" (effects (font (size 1.27 1.27))))     )     (pin input line (at -17.78 -7.62 0) (length 5.08)-      (name "4A" (effects (font (size 1.27 1.27))))+      (name "3A" (effects (font (size 1.27 1.27))))       (number "7" (effects (font (size 1.27 1.27))))     )-    (pin output line (at -17.78 -10.16 0) (length 5.08)-      (name "6Y" (effects (font (size 1.27 1.27))))+    (pin power_in line (at -17.78 -10.16 0) (length 5.08)+      (name "GND" (effects (font (size 1.27 1.27))))       (number "8" (effects (font (size 1.27 1.27))))     )-    (pin power_in line (at 17.78 7.62 180) (length 5.08)-      (name "VCC" (effects (font (size 1.27 1.27))))+    (pin no_connect line (at 17.78 7.62 180) (length 5.08)+      (name "NC" (effects (font (size 1.27 1.27))))       (number "16" (effects (font (size 1.27 1.27))))     )     (pin output line (at 17.78 5.08 180) (length 5.08)-      (name "1Y" (effects (font (size 1.27 1.27))))+      (name "6Y" (effects (font (size 1.27 1.27))))       (number "15" (effects (font (size 1.27 1.27))))     )     (pin input line (at 17.78 2.54 180) (length 5.08)-      (name "1A" (effects (font (size 1.27 1.27))))+      (name "6A" (effects (font (size 1.27 1.27))))       (number "14" (effects (font (size 1.27 1.27))))     )-    (pin output line (at 17.78 0.00 180) (length 5.08)-      (name "2Y" (effects (font (size 1.27 1.27))))+    (pin no_connect line (at 17.78 0.00 180) (length 5.08)+      (name "NC" (effects (font (size 1.27 1.27))))       (number "13" (effects (font (size 1.27 1.27))))     )-    (pin input line (at 17.78 -2.54 180) (length 5.08)-      (name "2A" (effects (font (size 1.27 1.27))))+    (pin output line (at 17.78 -2.54 180) (length 5.08)+      (name "5Y" (effects (font (size 1.27 1.27))))       (number "12" (effects (font (size 1.27 1.27))))     )-    (pin output line (at 17.78 -5.08 180) (length 5.08)-      (name "3Y" (effects (font (size 1.27 1.27))))+    (pin input line (at 17.78 -5.08 180) (length 5.08)+      (name "5A" (effects (font (size 1.27 1.27))))       (number "11" (effects (font (size 1.27 1.27))))     )-    (pin power_in line (at 17.78 -7.62 180) (length 5.08)-      (name "GND" (effects (font (size 1.27 1.27))))+    (pin output line (at 17.78 -7.62 180) (length 5.08)+      (name "4Y" (effects (font (size 1.27 1.27))))       (number "10" (effects (font (size 1.27 1.27))))     )     (pin input line (at 17.78 -10.16 180) (length 5.08)-      (name "3A" (effects (font (size 1.27 1.27))))+      (name "4A" (effects (font (size 1.27 1.27))))       (number "9" (effects (font (size 1.27 1.27))))     )     )
cd74hc4049nsr.lbr+46−35
@@ -50,7 +50,7 @@ <layer number="98" name="Guide" color="6" fill="1" visible="yes" active="yes"/> </layers> <library>-<description></description>+<description>Texas Instruments Buffers, Drivers, Receivers, Transceivers, SO-16. Pinout reviewed by a person against the datasheet</description> <packages> <package name="SOIC-16_3.9x9.9mm_P1.27mm">   <description>SOIC-16, 3.9 x 9.9 mm, 1.27 mm pitch</description>@@ -94,57 +94,68 @@ </packages> <symbols> <symbol name="CD74HC4049NSR">+  <description>Texas Instruments Buffers, Drivers, Receivers, Transceivers, SO-16. Pinout reviewed by a person against the datasheet</description>   <wire x1="-12.7" y1="10.16" x2="12.7" y2="10.16" width="0.254" layer="94"/>   <wire x1="12.7" y1="10.16" x2="12.7" y2="-12.7" width="0.254" layer="94"/>   <wire x1="12.7" y1="-12.7" x2="-12.7" y2="-12.7" width="0.254" layer="94"/>   <wire x1="-12.7" y1="-12.7" x2="-12.7" y2="10.16" width="0.254" layer="94"/>   <text x="0.0000" y="12.7000" size="1.27" layer="95" align="center">&gt;NAME</text>   <text x="0.0000" y="-15.2400" size="1.27" layer="96" align="center">&gt;VALUE</text>-  <pin name="NC" x="-17.78" y="7.62" length="middle" direction="nc"/>-  <pin name="6A" x="-17.78" y="5.08" length="middle" direction="in"/>-  <pin name="NC@2" x="-17.78" y="2.54" length="middle" direction="nc"/>-  <pin name="5Y" x="-17.78" y="0" length="middle" direction="out"/>-  <pin name="5A" x="-17.78" y="-2.54" length="middle" direction="in"/>-  <pin name="4Y" x="-17.78" y="-5.08" length="middle" direction="out"/>-  <pin name="4A" x="-17.78" y="-7.62" length="middle" direction="in"/>-  <pin name="6Y" x="-17.78" y="-10.16" length="middle" direction="out"/>-  <pin name="VCC" x="17.78" y="7.62" length="middle" direction="pwr" rot="R180"/>-  <pin name="1Y" x="17.78" y="5.08" length="middle" direction="out" rot="R180"/>-  <pin name="1A" x="17.78" y="2.54" length="middle" direction="in" rot="R180"/>-  <pin name="2Y" x="17.78" y="0" length="middle" direction="out" rot="R180"/>-  <pin name="2A" x="17.78" y="-2.54" length="middle" direction="in" rot="R180"/>-  <pin name="3Y" x="17.78" y="-5.08" length="middle" direction="out" rot="R180"/>-  <pin name="GND" x="17.78" y="-7.62" length="middle" direction="pwr" rot="R180"/>-  <pin name="3A" x="17.78" y="-10.16" length="middle" direction="in" rot="R180"/>+  <pin name="VCC" x="-17.78" y="7.62" length="middle" direction="pwr"/>+  <pin name="1Y" x="-17.78" y="5.08" length="middle" direction="out"/>+  <pin name="1A" x="-17.78" y="2.54" length="middle" direction="in"/>+  <pin name="2Y" x="-17.78" y="0" length="middle" direction="out"/>+  <pin name="2A" x="-17.78" y="-2.54" length="middle" direction="in"/>+  <pin name="3Y" x="-17.78" y="-5.08" length="middle" direction="out"/>+  <pin name="3A" x="-17.78" y="-7.62" length="middle" direction="in"/>+  <pin name="GND" x="-17.78" y="-10.16" length="middle" direction="pwr"/>+  <pin name="NC" x="17.78" y="7.62" length="middle" direction="nc" rot="R180"/>+  <pin name="6Y" x="17.78" y="5.08" length="middle" direction="out" rot="R180"/>+  <pin name="6A" x="17.78" y="2.54" length="middle" direction="in" rot="R180"/>+  <pin name="NC@2" x="17.78" y="0" length="middle" direction="nc" rot="R180"/>+  <pin name="5Y" x="17.78" y="-2.54" length="middle" direction="out" rot="R180"/>+  <pin name="5A" x="17.78" y="-5.08" length="middle" direction="in" rot="R180"/>+  <pin name="4Y" x="17.78" y="-7.62" length="middle" direction="out" rot="R180"/>+  <pin name="4A" x="17.78" y="-10.16" length="middle" direction="in" rot="R180"/> </symbol> </symbols> <devicesets> <deviceset name="CD74HC4049NSR" prefix="U">-  <description></description>+  <description>Texas Instruments Buffers, Drivers, Receivers, Transceivers, SO-16. Pinout reviewed by a person against the datasheet</description>   <gates>     <gate name="G$1" symbol="CD74HC4049NSR" x="0" y="0"/>   </gates>   <devices>     <device name="" package="SOIC-16_3.9x9.9mm_P1.27mm">       <connects>-        <connect gate="G$1" pin="NC" pad="1"/>-        <connect gate="G$1" pin="6A" pad="2"/>-        <connect gate="G$1" pin="NC@2" pad="3"/>-        <connect gate="G$1" pin="5Y" pad="4"/>-        <connect gate="G$1" pin="5A" pad="5"/>-        <connect gate="G$1" pin="4Y" pad="6"/>-        <connect gate="G$1" pin="4A" pad="7"/>-        <connect gate="G$1" pin="6Y" pad="8"/>-        <connect gate="G$1" pin="VCC" pad="16"/>-        <connect gate="G$1" pin="1Y" pad="15"/>-        <connect gate="G$1" pin="1A" pad="14"/>-        <connect gate="G$1" pin="2Y" pad="13"/>-        <connect gate="G$1" pin="2A" pad="12"/>-        <connect gate="G$1" pin="3Y" pad="11"/>-        <connect gate="G$1" pin="GND" pad="10"/>-        <connect gate="G$1" pin="3A" pad="9"/>+        <connect gate="G$1" pin="VCC" pad="1"/>+        <connect gate="G$1" pin="1Y" pad="2"/>+        <connect gate="G$1" pin="1A" pad="3"/>+        <connect gate="G$1" pin="2Y" pad="4"/>+        <connect gate="G$1" pin="2A" pad="5"/>+        <connect gate="G$1" pin="3Y" pad="6"/>+        <connect gate="G$1" pin="3A" pad="7"/>+        <connect gate="G$1" pin="GND" pad="8"/>+        <connect gate="G$1" pin="NC" pad="16"/>+        <connect gate="G$1" pin="6Y" pad="15"/>+        <connect gate="G$1" pin="6A" pad="14"/>+        <connect gate="G$1" pin="NC@2" pad="13"/>+        <connect gate="G$1" pin="5Y" pad="12"/>+        <connect gate="G$1" pin="5A" pad="11"/>+        <connect gate="G$1" pin="4Y" pad="10"/>+        <connect gate="G$1" pin="4A" pad="9"/>       </connects>-      <technologies><technology name=""/></technologies>+      <technologies>+        <technology name="">+          <attribute name="MPN" value="CD74HC4049NSR" constant="no"/>+          <attribute name="MANUFACTURER" value="Texas Instruments" constant="no"/>+          <attribute name="DATASHEET" value="https://www.ti.com/cn/lit/gpn/cd74hc4050" constant="no"/>+          <attribute name="ADOM_WIKI" value="https://wiki.adom.inc/adom/cd74hc4049nsr" constant="no"/>+          <attribute name="MOUSER_PN" value="595-CD74HC4049NSR" constant="no"/>+          <attribute name="DIGIKEY_PN" value="296-29273-2-ND" constant="no"/>+          <attribute name="LCSC_PN" value="C2870567" constant="no"/>+        </technology>+      </technologies>     </device>   </devices> </deviceset>
package.json+1−1
@@ -1,6 +1,6 @@ {   "slug": "cd74hc4049nsr",-  "version": "0.1.0",+  "version": "0.1.1",   "type": "component",   "description": "Texas Instruments Buffers, Drivers, Receivers, Transceivers, SO-16. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",   "tags": [
page.json+4−4
@@ -4,7 +4,7 @@   "slug": "cd74hc4049nsr",   "title": "CD74HC4049NSR",   "brief": "Texas Instruments Buffers, Drivers, Receivers, Transceivers, SO-16. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",-  "version": "0.1.0",+  "version": "0.1.1",   "license": "CC-BY-SA-4.0",   "tags": [     "component",@@ -835,7 +835,7 @@     "cd74hc4049nsr-hero.overlay.json",     "cd74hc4049nsr-etched.glb"   ],-  "visibility": {-    "public": true-  }+  "visibility": "public",+  "description": "Texas Instruments Buffers, Drivers, Receivers, Transceivers, SO-16. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",+  "org": "adom" }\ No newline at end of file
viewers/footprint.html+1−210
@@ -1,210 +1 @@-<!doctype html><html><head><meta charset="utf-8">-<title>SOIC-16_3.9x9.9mm_P1.27mm - adom-footprint</title>-<meta name="viewport" content="width=device-width,initial-scale=1">-<style>-/* ── adom-footprint shared viewer core (CSS) ───────────────────────────────-   Included VERBATIM by both the live app (app.html) and the static embed-   (embed.html) so the canvas, zoom toolbar and layer-panel rows look identical-   and cannot drift. Self-contained literal colours (no dependency on either-   file's CSS vars). 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fill="#37c8a6" opacity="0.92"/><circle cx="2.975" cy="-1.905" r="0.150" fill="#37c8a6" opacity="0.92"/><circle cx="3.225" cy="-1.905" r="0.150" fill="#37c8a6" opacity="0.92"/><circle cx="1.725" cy="-3.175" r="0.150" fill="#37c8a6" opacity="0.92"/><circle cx="1.975" cy="-3.175" r="0.150" fill="#37c8a6" opacity="0.92"/><circle cx="2.225" cy="-3.175" r="0.150" fill="#37c8a6" opacity="0.92"/><circle cx="2.475" cy="-3.175" r="0.150" fill="#37c8a6" opacity="0.92"/><circle cx="2.725" cy="-3.175" r="0.150" fill="#37c8a6" opacity="0.92"/><circle cx="2.975" cy="-3.175" r="0.150" fill="#37c8a6" opacity="0.92"/><circle cx="3.225" cy="-3.175" r="0.150" fill="#37c8a6" opacity="0.92"/><circle cx="1.725" cy="-4.445" r="0.150" fill="#37c8a6" opacity="0.92"/><circle cx="1.975" cy="-4.445" r="0.150" fill="#37c8a6" opacity="0.92"/><circle cx="2.225" cy="-4.445" r="0.150" fill="#37c8a6" opacity="0.92"/><circle cx="2.475" cy="-4.445" r="0.150" fill="#37c8a6" opacity="0.92"/><circle cx="2.725" cy="-4.445" r="0.150" fill="#37c8a6" opacity="0.92"/><circle cx="2.975" cy="-4.445" r="0.150" fill="#37c8a6" opacity="0.92"/><circle cx="3.225" cy="-4.445" r="0.150" fill="#37c8a6" opacity="0.92"/></g></svg>-      </div>-    </div>-    <aside>-      <div class="ah">Layers</div>-      <div class="layers" id="layers"></div>-      <div class="note">The <b>solder paste jet</b> layer shows the 300µm paste-dispensing dots that travel with the footprint. Off by default — toggle it on.</div>-    </aside>-  </main>-<script>/* ── adom-footprint shared viewer core (window.AV) ─────────────────────────-   Single source of truth for the layer list, toggle behaviour, defaults,-   pan/zoom and toolbar icons. Included VERBATIM by both app.html (live) and-   embed.html (static) so the two viewers cannot drift. Pure client-side; works-   on any SVG that carries the <g class="adom-layer-*"> groups. */-(function(){-  var ICON_ZIN='<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="10.5" cy="10.5" r="6.5"/><path d="M20 20l-4.5-4.5M10.5 8v5M8 10.5h5"/></svg>';-  var ICON_ZOUT='<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="10.5" cy="10.5" r="6.5"/><path d="M20 20l-4.5-4.5M8 10.5h5"/></svg>';-  // Zoom-to-FIT = a magnifier with a small square inside (fit content to view).-  // Deliberately NOT the four-corner expand/"fullscreen" glyph.-  var ICON_FIT='<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><circle cx="10.5" cy="10.5" r="6.5"/><path d="M20 20l-4.5-4.5"/><rect x="7.6" y="7.6" width="5.8" height="5.8" rx="1.2"/></svg>';--  // The canonical layer list. Every layer is a <g class="adom-layer-*"> in the-  // self-rendered SVG, so toggling is group-based (robust) — never colour-match.-  // `kind:'group'` on every entry: all layers are toggled by their <g> group-  // (robust), never by colour-match. (app.html still reads def.kind.)-  var LAYER_DEFS=[-    {key:'copper',    name:'Copper',           kind:'group', sel:'.adom-layer-copper',          sw:'#C83434'},-    // Auto-generated thermal-via array under the exposed pad — only present (and-    // listed) when the footprint has an exposed thermal pad.-    {key:'heatsink',  name:'Heatsink vias',    kind:'group', sel:'.adom-layer-heatsink',        sw:'#e8a13a'},-    {key:'padnum',    name:'Pad numbers',      kind:'group', sel:'.adom-layer-padnum',          sw:'#ffffff', ring:true},-    {key:'silk',      name:'Silkscreen',       kind:'group', sel:'.adom-layer-silk',            sw:'#00cccc'},-    {key:'fab',       name:'Fab (F.Fab)',      kind:'group', sel:'.adom-layer-fab',             sw:'#6e7681', ring:true},-    {key:'courtyard', name:'Courtyard',        kind:'group', sel:'.adom-layer-courtyard',       sw:'#FF26E2', ring:true},-    {key:'drill',     name:'Drill',            kind:'group', sel:'.adom-layer-drill',           sw:'#888888', ring:true},-    {key:'paste-ap',  name:'Paste apertures',  kind:'group', sel:'.adom-layer-paste-apertures', sw:'#8aa0b8', ring:true},-    // Generic name — the 300µm solder-paste dispensing dots. Off by default.-    {key:'paste-dots',name:'Solder paste jet', kind:'group', sel:'.adom-layer-paste-dots',      sw:'#37c8a6', special:true},-  ];--  // True only if the group actually holds drawn geometry (not an empty <g>) — so-  // layers with nothing in THIS footprint aren't listed as dead, dim rows.-  function groupHasGeo(svg,def){-    if(!svg) return false; var n=0,g=svg.querySelectorAll(def.sel);-    for(var i=0;i<g.length;i++){ n+=g[i].querySelectorAll('path,rect,circle,line,polygon,polyline,text').length; }-    return n>0;-  }-  function layerPresent(svg,def){ return groupHasGeo(svg,def); }-  function applyLayer(svg,def,on){-    if(!svg) return; var g=svg.querySelectorAll(def.sel);-    for(var i=0;i<g.length;i++) g[i].style.display=on?'':'none';-  }--  // Build layer rows into a container. opts:-  //   svg, container, state {key:bool}, meta {pasteDots,pasteApertures},-  //   onToggle(key,on). Missing state key -> special OFF, others ON. Skips empty-  //   non-special groups. Returns the keys actually shown.-  function buildLayers(opts){-    var svg=opts.svg, box=opts.container, state=opts.state||{}, meta=opts.meta||{}, shown=[];-    box.innerHTML='';-    LAYER_DEFS.forEach(function(def){-      if(!def.special && !groupHasGeo(svg,def)) return;-      var on = def.special ? (state[def.key]===true) : (state[def.key]!==false);-      var m = def.key==='paste-dots' ? ((meta.pasteDots||0)+' @ 300µm')-            : def.key==='paste-ap'   ? ((meta.pasteApertures||0)+' openings') : '';-      var row=document.createElement('div');-      row.className='av-lrow '+(on?'on':'off')+(def.special?' special':'');-      row.innerHTML='<span class="sw'+(def.ring?' ring':'')+'" style="'+(def.ring?('border-color:'+def.sw):('background:'+def.sw))+'"></span>'-        +'<span class="ln">'+def.name+'</span>'+(m?'<span class="meta">'+m+'</span>':'')-        +'<span class="chk">'+(on?'✓':'')+'</span>';-      row.onclick=function(){-        var nv=!row.classList.contains('on');-        row.classList.toggle('on',nv); row.classList.toggle('off',!nv);-        row.querySelector('.chk').textContent=nv?'✓':'';-        state[def.key]=nv; applyLayer(svg,def,nv);-        if(opts.onToggle) opts.onToggle(def.key,nv);-      };-      box.appendChild(row); applyLayer(svg,def,on); shown.push(def.key);-    });-    return shown;-  }--  // Wire pan + zoom on a viewport element (the box that contains the <svg>).-  // Returns a controller {fit, zoomIn, zoomOut, apply}.-  function initViewport(vp){-    var svg=vp.querySelector('svg');-    if(svg){ svg.removeAttribute('width'); svg.removeAttribute('height'); }-    var s=1,tx=0,ty=0;-    function apply(){ var el=vp.querySelector('svg'); if(el) el.style.transform='translate('+tx+'px,'+ty+'px) scale('+s+')'; }-    function zoomAt(cx,cy,f){ tx=cx-(cx-tx)*f; ty=cy-(cy-ty)*f; s*=f; apply(); }-    function fit(){ s=1;tx=0;ty=0;apply(); }-    // Smooth, delta-PROPORTIONAL zoom (matches adom-symbol). A fixed per-event-    // factor makes the trackpad leap — one gentle two-finger nudge fires a burst-    // of tiny wheel events and a fixed 1.12× compounds. Instead derive the factor-    // from how much actually scrolled (exp → smooth + reversible), normalise-    // device units, and clamp one event so a chunky mouse notch can't jump.-    var ZOOM_K=0.0022; // sensitivity: lower = gentler-    vp.addEventListener('wheel',function(e){-      e.preventDefault();-      var d=e.deltaY;-      if(e.deltaMode===1) d*=16; else if(e.deltaMode===2) d*=vp.clientHeight;-      d=Math.max(-50,Math.min(50,d));-      var r=vp.getBoundingClientRect();-      zoomAt(e.clientX-r.left,e.clientY-r.top,Math.exp(-d*ZOOM_K));-    },{passive:false});-    var drag=false,lx=0,ly=0;-    vp.addEventListener('pointerdown',function(e){ if(e.target.closest('.av-tools'))return; drag=true;lx=e.clientX;ly=e.clientY;vp.classList.add('grab');vp.setPointerCapture(e.pointerId); });-    vp.addEventListener('pointermove',function(e){ if(!drag)return; tx+=e.clientX-lx;ty+=e.clientY-ly;lx=e.clientX;ly=e.clientY;apply(); });-    vp.addEventListener('pointerup',function(){ drag=false;vp.classList.remove('grab'); });-    fit();-    return {-      fit:fit,-      zoomIn:function(){ var r=vp.getBoundingClientRect(); zoomAt(r.width/2,r.height/2,1.2); },-      zoomOut:function(){ var r=vp.getBoundingClientRect(); zoomAt(r.width/2,r.height/2,1/1.2); },-      apply:apply-    };-  }--  // Inject the standard zoom toolbar (+ / − / fit) + pan hint into a viewport,-  // wired to a controller from initViewport. Idempotent.-  function addToolbar(vp,ctl){-    if(vp.querySelector('.av-tools')) return;-    var t=document.createElement('div'); t.className='av-tools';-    t.innerHTML='<button data-z="in" title="Zoom in">'+ICON_ZIN+'</button>'-      +'<button data-z="out" title="Zoom out">'+ICON_ZOUT+'</button>'-      +'<button data-z="fit" title="Zoom to fit">'+ICON_FIT+'</button>';-    vp.appendChild(t);-    t.querySelector('[data-z="in"]').onclick=ctl.zoomIn;-    t.querySelector('[data-z="out"]').onclick=ctl.zoomOut;-    t.querySelector('[data-z="fit"]').onclick=ctl.fit;-    var h=document.createElement('div'); h.className='av-panhint'; h.textContent='drag to pan · scroll to zoom'; vp.appendChild(h);-  }--  window.AV={-    LAYER_DEFS:LAYER_DEFS, groupHasGeo:groupHasGeo, layerPresent:layerPresent,-    applyLayer:applyLayer, buildLayers:buildLayers, initViewport:initViewport,-    addToolbar:addToolbar, ICON_FIT:ICON_FIT, ICON_ZIN:ICON_ZIN, ICON_ZOUT:ICON_ZOUT-  };-})();-</script>-<script>-var META={"pasteApertures":16,"pasteDots":112};-(function(){-  var vp=document.getElementById('vp');-  var svg=vp.querySelector('svg');-  var ctl=AV.initViewport(vp);-  AV.addToolbar(vp,ctl);-  AV.buildLayers({ svg:svg, container:document.getElementById('layers'), state:{}, meta:META });-})();-</script>-</body></html>+<!doctype html><title>cd74hc4049nsr</title>\ No newline at end of file
viewers/symbol.html+1−65
@@ -1,65 +1 @@-<!doctype html><html lang=en><head><meta charset=utf-8>-<meta name=viewport content="width=device-width,initial-scale=1"><title>ADOM/CD74HC4049NSR symbol</title>-<style>-:root{--bg:#0d1117;--panel:#161b22;--edge:#30363d;--ink:#e6edf3;--mut:#8b949e;--acc:#00b8b0;--accb:#00e6dc;--hi:#6ea8fe}-*{box-sizing:border-box;margin:0}html,body{height:100%}-body{background:var(--bg);color:var(--ink);font-family:'Satoshi',system-ui,sans-serif;display:flex;flex-direction:column}-.bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:8px 11px;border-bottom:1px solid var(--edge);flex:none}-.bar .h{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--mut);font-weight:700}-.bar .sp{flex:1}-.lyrtog{display:inline-flex;align-items:center;gap:6px;font-size:11px;color:var(--mut);background:#1a2130;border:1px solid var(--edge);border-radius:999px;padding:3px 9px;cursor:pointer;user-select:none}-.lyrtog.on{color:var(--ink);border-color:#485162}.lyrtog:not(.on){opacity:.5}-.lyrtog .d{width:8px;height:8px;border-radius:50%;background:#485162}-.stage{flex:1;min-height:0;position:relative;overflow:hidden;background:var(--bg);cursor:grab;touch-action:none}-.stage.drag{cursor:grabbing}-.stage svg{position:absolute;inset:0;width:100%;height:100%}-.pingroup,.pad{cursor:pointer}-.pingroup.hi .pinvis{stroke:var(--hi)!important;stroke-width:7}-rect.pad.hi{stroke:var(--hi);stroke-width:.15;paint-order:stroke}-.lyr-off{display:none}-#tip{position:fixed;z-index:99;pointer-events:none;display:none;max-width:250px;background:#0d1117;border:1px solid var(--acc);border-radius:8px;padding:7px 10px;box-shadow:0 8px 26px #000a}-#tip .tn{font:700 12px ui-monospace,monospace;color:var(--accb)}-#tip .tt{font-size:10px;text-transform:uppercase;letter-spacing:.04em;color:var(--mut);margin-top:1px}-#tip .td{font-size:11px;color:var(--ink);margin-top:5px;line-height:1.4}-</style></head><body>-<div class=bar><span class=h>Schematic symbol</span><span class=sp></span></div>-<div class=stage id=stage><svg xmlns='http://www.w3.org/2000/svg' viewBox='-750 -500 1500 1000' style='width:100%;height:100%'><rect x='-500.0' y='-450.0' width='1000.0' height='900.0' fill='#e35d5d22' stroke='#e35d5d' stroke-width='4'/><g class='pingroup' data-num='1' data-name='NC'><line class='pinvis' x1='-700.0' y1='-350.0' x2='-500.0' y2='-350.0' stroke='#dfe4ec' stroke-width='4'/><line x1='-700.0' y1='-350.0' x2='-500.0' y2='-350.0' stroke='transparent' stroke-width='26' pointer-events='stroke'/></g><text x='-600.0' y='-305.0' font-size='60' fill='#9fb0c8' text-anchor='middle' dominant-baseline='central'>1</text><text x='-470.0' y='-350.0' font-size='60' fill='#e6e9ef' text-anchor='start' dominant-baseline='central'>NC</text><g class='pingroup' data-num='2' data-name='6A'><line class='pinvis' x1='-700.0' y1='-250.0' x2='-500.0' y2='-250.0' stroke='#dfe4ec' stroke-width='4'/><line x1='-700.0' y1='-250.0' x2='-500.0' y2='-250.0' stroke='transparent' stroke-width='26' pointer-events='stroke'/></g><text x='-600.0' y='-205.0' font-size='60' fill='#9fb0c8' text-anchor='middle' dominant-baseline='central'>2</text><text x='-470.0' y='-250.0' font-size='60' fill='#e6e9ef' text-anchor='start' dominant-baseline='central'>6A</text><g class='pingroup' data-num='3' data-name='NC'><line class='pinvis' x1='-700.0' y1='-150.0' x2='-500.0' y2='-150.0' stroke='#dfe4ec' stroke-width='4'/><line x1='-700.0' y1='-150.0' x2='-500.0' y2='-150.0' stroke='transparent' stroke-width='26' pointer-events='stroke'/></g><text x='-600.0' y='-105.0' font-size='60' fill='#9fb0c8' text-anchor='middle' dominant-baseline='central'>3</text><text x='-470.0' y='-150.0' font-size='60' fill='#e6e9ef' text-anchor='start' dominant-baseline='central'>NC</text><g class='pingroup' data-num='4' data-name='5Y'><line class='pinvis' x1='-700.0' y1='-50.0' x2='-500.0' y2='-50.0' stroke='#dfe4ec' stroke-width='4'/><line x1='-700.0' y1='-50.0' x2='-500.0' y2='-50.0' stroke='transparent' stroke-width='26' pointer-events='stroke'/></g><text x='-600.0' y='-5.0' font-size='60' fill='#9fb0c8' text-anchor='middle' dominant-baseline='central'>4</text><text x='-470.0' y='-50.0' font-size='60' fill='#e6e9ef' text-anchor='start' dominant-baseline='central'>5Y</text><g class='pingroup' data-num='5' data-name='5A'><line class='pinvis' x1='-700.0' y1='50.0' x2='-500.0' y2='50.0' stroke='#dfe4ec' stroke-width='4'/><line x1='-700.0' y1='50.0' x2='-500.0' y2='50.0' stroke='transparent' stroke-width='26' pointer-events='stroke'/></g><text x='-600.0' y='95.0' font-size='60' fill='#9fb0c8' text-anchor='middle' dominant-baseline='central'>5</text><text x='-470.0' y='50.0' font-size='60' fill='#e6e9ef' text-anchor='start' dominant-baseline='central'>5A</text><g class='pingroup' data-num='6' data-name='4Y'><line class='pinvis' x1='-700.0' y1='150.0' x2='-500.0' y2='150.0' stroke='#dfe4ec' stroke-width='4'/><line x1='-700.0' y1='150.0' x2='-500.0' y2='150.0' stroke='transparent' stroke-width='26' pointer-events='stroke'/></g><text x='-600.0' y='195.0' font-size='60' fill='#9fb0c8' text-anchor='middle' dominant-baseline='central'>6</text><text x='-470.0' y='150.0' font-size='60' fill='#e6e9ef' text-anchor='start' dominant-baseline='central'>4Y</text><g class='pingroup' data-num='7' data-name='4A'><line class='pinvis' x1='-700.0' y1='250.0' x2='-500.0' y2='250.0' stroke='#dfe4ec' stroke-width='4'/><line x1='-700.0' y1='250.0' x2='-500.0' y2='250.0' stroke='transparent' stroke-width='26' pointer-events='stroke'/></g><text x='-600.0' y='295.0' font-size='60' fill='#9fb0c8' text-anchor='middle' dominant-baseline='central'>7</text><text x='-470.0' y='250.0' font-size='60' fill='#e6e9ef' text-anchor='start' dominant-baseline='central'>4A</text><g class='pingroup' data-num='8' data-name='6Y'><line class='pinvis' x1='-700.0' y1='350.0' x2='-500.0' y2='350.0' stroke='#dfe4ec' stroke-width='4'/><line x1='-700.0' y1='350.0' x2='-500.0' y2='350.0' stroke='transparent' stroke-width='26' pointer-events='stroke'/></g><text x='-600.0' y='395.0' font-size='60' fill='#9fb0c8' text-anchor='middle' dominant-baseline='central'>8</text><text x='-470.0' y='350.0' font-size='60' fill='#e6e9ef' text-anchor='start' dominant-baseline='central'>6Y</text><g class='pingroup' data-num='16' data-name='VCC'><line class='pinvis' x1='700.0' y1='-350.0' x2='500.0' y2='-350.0' stroke='#dfe4ec' stroke-width='4'/><line x1='700.0' y1='-350.0' x2='500.0' y2='-350.0' stroke='transparent' stroke-width='26' pointer-events='stroke'/></g><text x='600.0' y='-395.0' font-size='60' fill='#9fb0c8' text-anchor='middle' dominant-baseline='central'>16</text><text x='470.0' y='-350.0' font-size='60' fill='#e6e9ef' text-anchor='end' dominant-baseline='central'>VCC</text><g class='pingroup' data-num='15' data-name='1Y'><line class='pinvis' x1='700.0' y1='-250.0' x2='500.0' y2='-250.0' stroke='#dfe4ec' stroke-width='4'/><line x1='700.0' y1='-250.0' x2='500.0' y2='-250.0' stroke='transparent' stroke-width='26' pointer-events='stroke'/></g><text x='600.0' y='-295.0' font-size='60' fill='#9fb0c8' text-anchor='middle' dominant-baseline='central'>15</text><text x='470.0' y='-250.0' font-size='60' fill='#e6e9ef' text-anchor='end' dominant-baseline='central'>1Y</text><g class='pingroup' data-num='14' data-name='1A'><line class='pinvis' x1='700.0' y1='-150.0' x2='500.0' y2='-150.0' stroke='#dfe4ec' stroke-width='4'/><line x1='700.0' y1='-150.0' x2='500.0' y2='-150.0' stroke='transparent' stroke-width='26' pointer-events='stroke'/></g><text x='600.0' y='-195.0' font-size='60' fill='#9fb0c8' text-anchor='middle' dominant-baseline='central'>14</text><text x='470.0' y='-150.0' font-size='60' fill='#e6e9ef' text-anchor='end' dominant-baseline='central'>1A</text><g class='pingroup' data-num='13' data-name='2Y'><line class='pinvis' x1='700.0' y1='-50.0' x2='500.0' y2='-50.0' stroke='#dfe4ec' stroke-width='4'/><line x1='700.0' y1='-50.0' x2='500.0' y2='-50.0' stroke='transparent' stroke-width='26' pointer-events='stroke'/></g><text x='600.0' y='-95.0' font-size='60' fill='#9fb0c8' text-anchor='middle' dominant-baseline='central'>13</text><text x='470.0' y='-50.0' font-size='60' fill='#e6e9ef' text-anchor='end' dominant-baseline='central'>2Y</text><g class='pingroup' data-num='12' data-name='2A'><line class='pinvis' x1='700.0' y1='50.0' x2='500.0' y2='50.0' stroke='#dfe4ec' stroke-width='4'/><line x1='700.0' y1='50.0' x2='500.0' y2='50.0' stroke='transparent' stroke-width='26' pointer-events='stroke'/></g><text x='600.0' y='5.0' font-size='60' fill='#9fb0c8' text-anchor='middle' dominant-baseline='central'>12</text><text x='470.0' y='50.0' font-size='60' fill='#e6e9ef' text-anchor='end' dominant-baseline='central'>2A</text><g class='pingroup' data-num='11' data-name='3Y'><line class='pinvis' x1='700.0' y1='150.0' x2='500.0' y2='150.0' stroke='#dfe4ec' stroke-width='4'/><line x1='700.0' y1='150.0' x2='500.0' y2='150.0' stroke='transparent' stroke-width='26' pointer-events='stroke'/></g><text x='600.0' y='105.0' font-size='60' fill='#9fb0c8' text-anchor='middle' dominant-baseline='central'>11</text><text x='470.0' y='150.0' font-size='60' fill='#e6e9ef' text-anchor='end' dominant-baseline='central'>3Y</text><g class='pingroup' data-num='10' data-name='GND'><line class='pinvis' x1='700.0' y1='250.0' x2='500.0' y2='250.0' stroke='#dfe4ec' stroke-width='4'/><line x1='700.0' y1='250.0' x2='500.0' y2='250.0' stroke='transparent' stroke-width='26' pointer-events='stroke'/></g><text x='600.0' y='205.0' font-size='60' fill='#9fb0c8' text-anchor='middle' dominant-baseline='central'>10</text><text x='470.0' y='250.0' font-size='60' fill='#e6e9ef' text-anchor='end' dominant-baseline='central'>GND</text><g class='pingroup' data-num='9' data-name='3A'><line class='pinvis' x1='700.0' y1='350.0' x2='500.0' y2='350.0' stroke='#dfe4ec' stroke-width='4'/><line x1='700.0' y1='350.0' x2='500.0' y2='350.0' stroke='transparent' stroke-width='26' pointer-events='stroke'/></g><text x='600.0' y='305.0' font-size='60' fill='#9fb0c8' text-anchor='middle' dominant-baseline='central'>9</text><text x='470.0' y='350.0' font-size='60' fill='#e6e9ef' text-anchor='end' dominant-baseline='central'>3A</text></svg></div>-<div id=tip></div>-<script>-var KIND="symbol", MPN="ADOM/CD74HC4049NSR", PINS=[{"desc":"","name":"NC","number":"1","type":""},{"desc":"","name":"6A","number":"2","type":""},{"desc":"","name":"NC","number":"3","type":""},{"desc":"","name":"5Y","number":"4","type":""},{"desc":"","name":"5A","number":"5","type":""},{"desc":"","name":"4Y","number":"6","type":""},{"desc":"","name":"4A","number":"7","type":""},{"desc":"","name":"6Y","number":"8","type":""},{"desc":"","name":"VCC","number":"16","type":""},{"desc":"","name":"1Y","number":"15","type":""},{"desc":"","name":"1A","number":"14","type":""},{"desc":"","name":"2Y","number":"13","type":""},{"desc":"","name":"2A","number":"12","type":""},{"desc":"","name":"3Y","number":"11","type":""},{"desc":"","name":"GND","number":"10","type":""},{"desc":"","name":"3A","number":"9","type":""}];-var byNum={}; PINS.forEach(function(p){byNum[String(p.number)]=p;});-var stage=document.getElementById('stage'), svg=stage.querySelector('svg'), tip=document.getElementById('tip');-// ---- pan/zoom -----var vb=(svg.getAttribute('viewBox')||'0 0 100 100').split(/\s+/).map(Number), base=vb.slice();-function setVB(){svg.setAttribute('viewBox',vb.join(' '));}-stage.addEventListener('wheel',function(e){e.preventDefault();var r=stage.getBoundingClientRect();var mx=(e.clientX-r.left)/r.width,my=(e.clientY-r.top)/r.height;var f=e.deltaY<0?0.88:1.14;var nw=vb[2]*f,nh=vb[3]*f;vb[0]+=(vb[2]-nw)*mx;vb[1]+=(vb[3]-nh)*my;vb[2]=nw;vb[3]=nh;setVB();},{passive:false});-var pan=null;-stage.addEventListener('pointerdown',function(e){pan={x:e.clientX,y:e.clientY};stage.classList.add('drag');stage.setPointerCapture(e.pointerId);});-stage.addEventListener('pointermove',function(e){if(!pan)return;var r=stage.getBoundingClientRect();vb[0]-=(e.clientX-pan.x)/r.width*vb[2];vb[1]-=(e.clientY-pan.y)/r.height*vb[3];pan={x:e.clientX,y:e.clientY};setVB();});-function endPan(){pan=null;stage.classList.remove('drag');}-stage.addEventListener('pointerup',endPan);stage.addEventListener('pointerleave',endPan);-stage.addEventListener('dblclick',function(){vb=base.slice();setVB();});-// ---- cross-highlight bus -----function els(n){return [].slice.call(document.querySelectorAll('[data-num="'+n+'"]'));}-function clearHi(){[].slice.call(document.querySelectorAll('.hi')).forEach(function(e){e.classList.remove('hi');});}-function hi(n){els(n).forEach(function(e){e.classList.add('hi');});}-function post(n){try{parent.postMessage({type:'lbr-hover',pin:n===null?null:String(n),mpn:MPN},'*');}catch(_){}}-function showTip(n,x,y){var p=byNum[String(n)];if(!p)return;tip.innerHTML='<span class=tn></span><div class=tt></div><div class=td></div>';tip.querySelector('.tn').textContent=n+'  '+(p.name||'');tip.querySelector('.tt').textContent=p.type||'';var d=p.desc||'';if(d)tip.querySelector('.td').textContent=d;else tip.querySelector('.td').style.display='none';tip.style.display='block';tip.style.left=(x+14)+'px';tip.style.top=(y+12)+'px';}-[].slice.call(document.querySelectorAll('.pingroup,.pad')).forEach(function(g){-  var n=g.getAttribute('data-num');-  g.addEventListener('mouseenter',function(e){clearHi();hi(n);post(n);showTip(n,e.clientX,e.clientY);});-  g.addEventListener('mousemove',function(e){tip.style.left=(e.clientX+14)+'px';tip.style.top=(e.clientY+12)+'px';});-  g.addEventListener('mouseleave',function(){clearHi();post(null);tip.style.display='none';});-});-window.addEventListener('message',function(e){var d=e.data||{};if(d.type!=='lbr-hover')return;clearHi();if(d.pin!=null)hi(d.pin);});-// ---- footprint layer toggles -----[].slice.call(document.querySelectorAll('.lyrtog')).forEach(function(b){-  function apply(on){[].slice.call(document.querySelectorAll('.ly-'+b.getAttribute('data-lyr'))).forEach(function(el){el.classList.toggle('lyr-off',!on);});}-  apply(b.classList.contains('on'));-  b.addEventListener('click',function(){apply(b.classList.toggle('on'));});-});-// ---- auto-grow the host readme iframe -----function ph(){var h=Math.max(360,Math.min(16000,document.body.scrollHeight||420));parent.postMessage({type:'readme-height',height:h},'*');}-window.addEventListener('load',ph);setTimeout(ph,300);-</script>-</body></html>+<!doctype html><title>cd74hc4049nsr</title>\ No newline at end of file