component

SN74HCT244PWR

Public Made by Adom

by adom

Texas Instruments Buffer/Driver/Transceiver, TSSOP-20. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

componentlogicsn74hct244pwr
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pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left)

Ray ·529ed6c576 · ·parent 8b808f6
5 files changed +662−3
package.json+2−1pads.json+647page.json+11sn74hct244pwr.lbr+1−1viewers/footprint.html+1−1
package.json+2−1
@@ -24,6 +24,7 @@     "docs/hero.png",     "docs/sn74hct244pwr-datasheet.pdf",     "viewers/symbol.html",-    "viewers/footprint.html"+    "viewers/footprint.html",+    "pads.json"   ] }\ No newline at end of file
pads.jsonadded+647
@@ -0,0 +1,647 @@+{+ "schema": "adom.pads/1",+ "slug": "sn74hct244pwr",+ "footprint": "TSSOP-20_4.4x6.5mm_P0.65mm",+ "generated_from": {+  "footprint": "TSSOP-20_4.4x6.5mm_P0.65mm@sha256:b7ca3a31dd45c122",+  "pins": "page.json:component.pins",+  "overrides": null+ },+ "pin1": {+  "pad": "1",+  "at": [+   -2.8625,+   -2.925+  ],+  "corner": "top-left",+  "source": "silk-marker",+  "derived_from": "TSSOP-20_4.4x6.5mm_P0.65mm@sha256:b7ca3a31dd45c122"+ },+ "pad_count": 20,+ "symbol_pins": [+  "1",+  "10",+  "11",+  "12",+  "13",+  "14",+  "15",+  "16",+  "17",+  "18",+  "19",+  "2",+  "20",+  "3",+  "4",+  "5",+  "6",+  "7",+  "8",+  "9"+ ],+ "paste_apertures": 0,+ "issues": [],+ "pads": [+  {+   "pad": "1",+   "kind": "smd",+   "shape": "roundrect",+   "at": [+    -2.8625,+    -2.925+   ],+   "rot": 0.0,+   "size": [+    1.475,+    0.4+   ],+   "layers": [+    "F.Cu",+    "F.Mask",+    "F.Paste"+   ],+   "thermal": false,+   "pin": "1",+   "name": "1OE",+   "type": "input",+   "description": "Active-low output enable for bank 1 (buffers 1A1-1A4 → 1Y1-1Y4). When low, bank 1 outputs pass the A input data. When high, bank 1 outputs are placed in the high-impedance state. Must be tied to VCC through a pull-up for high-Z during power up/down.",+   "is_pin1": true,+   "source": {+    "geometry": "TSSOP-20_4.4x6.5mm_P0.65mm.kicad_mod",+    "meaning": "page.json:component.pins",+    "correspondence": "kicad: symbol pin number == pad name"+   }+  },+  {+   "pad": "2",+   "kind": "smd",+   "shape": "roundrect",+   "at": [+    -2.8625,+    -2.275+   ],+   "rot": 0.0,+   "size": [+    1.475,+    0.4+   ],+   "layers": [+    "F.Cu",+    "F.Mask",+    "F.Paste"+   ],+   "thermal": false,+   "pin": "2",+   "name": "1A1",+   "type": "input",+   "description": "Bank 1 buffer input 1. TTL-compatible CMOS input; buffered non-inverting to 1Y1 when 1OE is low. VIH ≥ 2 V, VIL ≤ 0.8 V at VCC = 4.5-5.5 V; input current ≤ ±1 µA.",+   "is_pin1": false,+   "source": {+    "geometry": "TSSOP-20_4.4x6.5mm_P0.65mm.kicad_mod",+    "meaning": "page.json:component.pins",+    "correspondence": "kicad: symbol pin number == pad name"+   }+  },+  {+   "pad": "3",+   "kind": "smd",+   "shape": "roundrect",+   "at": [+    -2.8625,+    -1.625+   ],+   "rot": 0.0,+   "size": [+    1.475,+    0.4+   ],+   "layers": [+    "F.Cu",+    "F.Mask",+    "F.Paste"+   ],+   "thermal": false,+   "pin": "3",+   "name": "2Y4",+   "type": "tri_state",+   "description": "Bank 2 buffer output 4. 3-state, non-inverting output driven by 2A4 when 2OE is low; high-impedance when 2OE is high. ±6 mA output drive at 5 V.",+   "is_pin1": false,+   "source": {+    "geometry": "TSSOP-20_4.4x6.5mm_P0.65mm.kicad_mod",+    "meaning": "page.json:component.pins",+    "correspondence": "kicad: symbol pin number == pad name"+   }+  },+  {+   "pad": "4",+   "kind": "smd",+   "shape": "roundrect",+   "at": [+    -2.8625,+    -0.975+   ],+   "rot": 0.0,+   "size": [+    1.475,+    0.4+   ],+   "layers": [+    "F.Cu",+    "F.Mask",+    "F.Paste"+   ],+   "thermal": false,+   "pin": "4",+   "name": "1A2",+   "type": "input",+   "description": "Bank 1 buffer input 2. TTL-compatible CMOS input; buffered non-inverting to 1Y2 when 1OE is low.",+   "is_pin1": false,+   "source": {+    "geometry": "TSSOP-20_4.4x6.5mm_P0.65mm.kicad_mod",+    "meaning": "page.json:component.pins",+    "correspondence": "kicad: symbol pin number == pad name"+   }+  },+  {+   "pad": "5",+   "kind": "smd",+   "shape": "roundrect",+   "at": [+    -2.8625,+    -0.325+   ],+   "rot": 0.0,+   "size": [+    1.475,+    0.4+   ],+   "layers": [+    "F.Cu",+    "F.Mask",+    "F.Paste"+   ],+   "thermal": false,+   "pin": "5",+   "name": "2Y3",+   "type": "tri_state",+   "description": "Bank 2 buffer output 3. 3-state, non-inverting output driven by 2A3 when 2OE is low; high-impedance when 2OE is high.",+   "is_pin1": false,+   "source": {+    "geometry": "TSSOP-20_4.4x6.5mm_P0.65mm.kicad_mod",+    "meaning": "page.json:component.pins",+    "correspondence": "kicad: symbol pin number == pad name"+   }+  },+  {+   "pad": "6",+   "kind": "smd",+   "shape": "roundrect",+   "at": [+    -2.8625,+    0.325+   ],+   "rot": 0.0,+   "size": [+    1.475,+    0.4+   ],+   "layers": [+    "F.Cu",+    "F.Mask",+    "F.Paste"+   ],+   "thermal": false,+   "pin": "6",+   "name": "1A3",+   "type": "input",+   "description": "Bank 1 buffer input 3. TTL-compatible CMOS input; buffered non-inverting to 1Y3 when 1OE is low.",+   "is_pin1": false,+   "source": {+    "geometry": "TSSOP-20_4.4x6.5mm_P0.65mm.kicad_mod",+    "meaning": "page.json:component.pins",+    "correspondence": "kicad: symbol pin number == pad name"+   }+  },+  {+   "pad": "7",+   "kind": "smd",+   "shape": "roundrect",+   "at": [+    -2.8625,+    0.975+   ],+   "rot": 0.0,+   "size": [+    1.475,+    0.4+   ],+   "layers": [+    "F.Cu",+    "F.Mask",+    "F.Paste"+   ],+   "thermal": false,+   "pin": "7",+   "name": "2Y2",+   "type": "tri_state",+   "description": "Bank 2 buffer output 2. 3-state, non-inverting output driven by 2A2 when 2OE is low; high-impedance when 2OE is high.",+   "is_pin1": false,+   "source": {+    "geometry": "TSSOP-20_4.4x6.5mm_P0.65mm.kicad_mod",+    "meaning": "page.json:component.pins",+    "correspondence": "kicad: symbol pin number == pad name"+   }+  },+  {+   "pad": "8",+   "kind": "smd",+   "shape": "roundrect",+   "at": [+    -2.8625,+    1.625+   ],+   "rot": 0.0,+   "size": [+    1.475,+    0.4+   ],+   "layers": [+    "F.Cu",+    "F.Mask",+    "F.Paste"+   ],+   "thermal": false,+   "pin": "8",+   "name": "1A4",+   "type": "input",+   "description": "Bank 1 buffer input 4. TTL-compatible CMOS input; buffered non-inverting to 1Y4 when 1OE is low.",+   "is_pin1": false,+   "source": {+    "geometry": "TSSOP-20_4.4x6.5mm_P0.65mm.kicad_mod",+    "meaning": "page.json:component.pins",+    "correspondence": "kicad: symbol pin number == pad name"+   }+  },+  {+   "pad": "9",+   "kind": "smd",+   "shape": "roundrect",+   "at": [+    -2.8625,+    2.275+   ],+   "rot": 0.0,+   "size": [+    1.475,+    0.4+   ],+   "layers": [+    "F.Cu",+    "F.Mask",+    "F.Paste"+   ],+   "thermal": false,+   "pin": "9",+   "name": "2Y1",+   "type": "tri_state",+   "description": "Bank 2 buffer output 1. 3-state, non-inverting output driven by 2A1 when 2OE is low; high-impedance when 2OE is high.",+   "is_pin1": false,+   "source": {+    "geometry": "TSSOP-20_4.4x6.5mm_P0.65mm.kicad_mod",+    "meaning": "page.json:component.pins",+    "correspondence": "kicad: symbol pin number == pad name"+   }+  },+  {+   "pad": "10",+   "kind": "smd",+   "shape": "roundrect",+   "at": [+    -2.8625,+    2.925+   ],+   "rot": 0.0,+   "size": [+    1.475,+    0.4+   ],+   "layers": [+    "F.Cu",+    "F.Mask",+    "F.Paste"+   ],+   "thermal": false,+   "pin": "10",+   "name": "GND",+   "type": "power_in",+   "description": "Device ground reference (0 V).",+   "is_pin1": false,+   "source": {+    "geometry": "TSSOP-20_4.4x6.5mm_P0.65mm.kicad_mod",+    "meaning": "page.json:component.pins",+    "correspondence": "kicad: symbol pin number == pad name"+   }+  },+  {+   "pad": "11",+   "kind": "smd",+   "shape": "roundrect",+   "at": [+    2.8625,+    2.925+   ],+   "rot": 0.0,+   "size": [+    1.475,+    0.4+   ],+   "layers": [+    "F.Cu",+    "F.Mask",+    "F.Paste"+   ],+   "thermal": false,+   "pin": "11",+   "name": "2A1",+   "type": "input",+   "description": "Bank 2 buffer input 1. TTL-compatible CMOS input; buffered non-inverting to 2Y1 when 2OE is low.",+   "is_pin1": false,+   "source": {+    "geometry": "TSSOP-20_4.4x6.5mm_P0.65mm.kicad_mod",+    "meaning": "page.json:component.pins",+    "correspondence": "kicad: symbol pin number == pad name"+   }+  },+  {+   "pad": "12",+   "kind": "smd",+   "shape": "roundrect",+   "at": [+    2.8625,+    2.275+   ],+   "rot": 0.0,+   "size": [+    1.475,+    0.4+   ],+   "layers": [+    "F.Cu",+    "F.Mask",+    "F.Paste"+   ],+   "thermal": false,+   "pin": "12",+   "name": "1Y4",+   "type": "tri_state",+   "description": "Bank 1 buffer output 4. 3-state, non-inverting output driven by 1A4 when 1OE is low; high-impedance when 1OE is high.",+   "is_pin1": false,+   "source": {+    "geometry": "TSSOP-20_4.4x6.5mm_P0.65mm.kicad_mod",+    "meaning": "page.json:component.pins",+    "correspondence": "kicad: symbol pin number == pad name"+   }+  },+  {+   "pad": "13",+   "kind": "smd",+   "shape": "roundrect",+   "at": [+    2.8625,+    1.625+   ],+   "rot": 0.0,+   "size": [+    1.475,+    0.4+   ],+   "layers": [+    "F.Cu",+    "F.Mask",+    "F.Paste"+   ],+   "thermal": false,+   "pin": "13",+   "name": "2A2",+   "type": "input",+   "description": "Bank 2 buffer input 2. TTL-compatible CMOS input; buffered non-inverting to 2Y2 when 2OE is low.",+   "is_pin1": false,+   "source": {+    "geometry": "TSSOP-20_4.4x6.5mm_P0.65mm.kicad_mod",+    "meaning": "page.json:component.pins",+    "correspondence": "kicad: symbol pin number == pad name"+   }+  },+  {+   "pad": "14",+   "kind": "smd",+   "shape": "roundrect",+   "at": [+    2.8625,+    0.975+   ],+   "rot": 0.0,+   "size": [+    1.475,+    0.4+   ],+   "layers": [+    "F.Cu",+    "F.Mask",+    "F.Paste"+   ],+   "thermal": false,+   "pin": "14",+   "name": "1Y3",+   "type": "tri_state",+   "description": "Bank 1 buffer output 3. 3-state, non-inverting output driven by 1A3 when 1OE is low; high-impedance when 1OE is high.",+   "is_pin1": false,+   "source": {+    "geometry": "TSSOP-20_4.4x6.5mm_P0.65mm.kicad_mod",+    "meaning": "page.json:component.pins",+    "correspondence": "kicad: symbol pin number == pad name"+   }+  },+  {+   "pad": "15",+   "kind": "smd",+   "shape": "roundrect",+   "at": [+    2.8625,+    0.325+   ],+   "rot": 0.0,+   "size": [+    1.475,+    0.4+   ],+   "layers": [+    "F.Cu",+    "F.Mask",+    "F.Paste"+   ],+   "thermal": false,+   "pin": "15",+   "name": "2A3",+   "type": "input",+   "description": "Bank 2 buffer input 3. TTL-compatible CMOS input; buffered non-inverting to 2Y3 when 2OE is low.",+   "is_pin1": false,+   "source": {+    "geometry": "TSSOP-20_4.4x6.5mm_P0.65mm.kicad_mod",+    "meaning": "page.json:component.pins",+    "correspondence": "kicad: symbol pin number == pad name"+   }+  },+  {+   "pad": "16",+   "kind": "smd",+   "shape": "roundrect",+   "at": [+    2.8625,+    -0.325+   ],+   "rot": 0.0,+   "size": [+    1.475,+    0.4+   ],+   "layers": [+    "F.Cu",+    "F.Mask",+    "F.Paste"+   ],+   "thermal": false,+   "pin": "16",+   "name": "1Y2",+   "type": "tri_state",+   "description": "Bank 1 buffer output 2. 3-state, non-inverting output driven by 1A2 when 1OE is low; high-impedance when 1OE is high.",+   "is_pin1": false,+   "source": {+    "geometry": "TSSOP-20_4.4x6.5mm_P0.65mm.kicad_mod",+    "meaning": "page.json:component.pins",+    "correspondence": "kicad: symbol pin number == pad name"+   }+  },+  {+   "pad": "17",+   "kind": "smd",+   "shape": "roundrect",+   "at": [+    2.8625,+    -0.975+   ],+   "rot": 0.0,+   "size": [+    1.475,+    0.4+   ],+   "layers": [+    "F.Cu",+    "F.Mask",+    "F.Paste"+   ],+   "thermal": false,+   "pin": "17",+   "name": "2A4",+   "type": "input",+   "description": "Bank 2 buffer input 4. TTL-compatible CMOS input; buffered non-inverting to 2Y4 when 2OE is low.",+   "is_pin1": false,+   "source": {+    "geometry": "TSSOP-20_4.4x6.5mm_P0.65mm.kicad_mod",+    "meaning": "page.json:component.pins",+    "correspondence": "kicad: symbol pin number == pad name"+   }+  },+  {+   "pad": "18",+   "kind": "smd",+   "shape": "roundrect",+   "at": [+    2.8625,+    -1.625+   ],+   "rot": 0.0,+   "size": [+    1.475,+    0.4+   ],+   "layers": [+    "F.Cu",+    "F.Mask",+    "F.Paste"+   ],+   "thermal": false,+   "pin": "18",+   "name": "1Y1",+   "type": "tri_state",+   "description": "Bank 1 buffer output 1. 3-state, non-inverting output driven by 1A1 when 1OE is low; high-impedance when 1OE is high.",+   "is_pin1": false,+   "source": {+    "geometry": "TSSOP-20_4.4x6.5mm_P0.65mm.kicad_mod",+    "meaning": "page.json:component.pins",+    "correspondence": "kicad: symbol pin number == pad name"+   }+  },+  {+   "pad": "19",+   "kind": "smd",+   "shape": "roundrect",+   "at": [+    2.8625,+    -2.275+   ],+   "rot": 0.0,+   "size": [+    1.475,+    0.4+   ],+   "layers": [+    "F.Cu",+    "F.Mask",+    "F.Paste"+   ],+   "thermal": false,+   "pin": "19",+   "name": "2OE",+   "type": "input",+   "description": "Active-low output enable for bank 2 (buffers 2A1-2A4 → 2Y1-2Y4). When low, bank 2 outputs pass the A input data. When high, bank 2 outputs are placed in the high-impedance state.",+   "is_pin1": false,+   "source": {+    "geometry": "TSSOP-20_4.4x6.5mm_P0.65mm.kicad_mod",+    "meaning": "page.json:component.pins",+    "correspondence": "kicad: symbol pin number == pad name"+   }+  },+  {+   "pad": "20",+   "kind": "smd",+   "shape": "roundrect",+   "at": [+    2.8625,+    -2.925+   ],+   "rot": 0.0,+   "size": [+    1.475,+    0.4+   ],+   "layers": [+    "F.Cu",+    "F.Mask",+    "F.Paste"+   ],+   "thermal": false,+   "pin": "20",+   "name": "VCC",+   "type": "power_in",+   "description": "Positive supply rail, 4.5 V to 5.5 V (recommended). Absolute max 7 V. Decouple locally to GND with a 0.1 µF ceramic capacitor.",+   "is_pin1": false,+   "source": {+    "geometry": "TSSOP-20_4.4x6.5mm_P0.65mm.kicad_mod",+    "meaning": "page.json:component.pins",+    "correspondence": "kicad: symbol pin number == pad name"+   }+  }+ ]+}\ No newline at end of file
page.json+11
@@ -168,6 +168,17 @@     "viewers": {       "symbol": "viewers/symbol.html",       "footprint": "viewers/footprint.html"+    },+    "pin1": {+      "pad": "1",+      "at": [+        -2.8625,+        -2.925+      ],+      "corner": "top-left",+      "source": "silk-marker",+      "derived_from": "TSSOP-20_4.4x6.5mm_P0.65mm@sha256:b7ca3a31dd45c122",+      "mark": "drawn"     }   },   "metadata": {
sn74hct244pwr.lbr+1−1
@@ -78,7 +78,7 @@   <wire x1="2.3100" y1="-3.3850" x2="-2.3100" y2="-3.3850" width="0.1200" layer="21"/>   <text x="0" y="4.262" size="1.27" layer="25" align="bottom-center">&gt;NAME</text>   <text x="0" y="-4.262" size="1.27" layer="27" align="top-center">&gt;VALUE</text>-</package>+<!--adom-pin1--><polygon width="0.0500" layer="21"><vertex x="-3.8600" y="2.9300"/><vertex x="-4.1900" y="2.6900"/><vertex x="-4.1900" y="3.1700"/></polygon></package> </packages> <symbols> <symbol name="SN74HCT244PWR">
viewers/footprint.html+1−1
@@ -23,7 +23,7 @@ rect.pad.hi{stroke:var(--hi);stroke-width:.15;paint-order:stroke} #tip .td{font-size:11px;color:var(--ink);margin-top:5px;line-height:1.4} </style></head><body> <div class=bar><span class=h>PCB footprint</span><span class=sp></span><button class="lyrtog on" data-lyr="copper"><span class="d" style="background:#e35d5d"></span>Copper</button><button class="lyrtog on" data-lyr="silk"><span class="d" style="background:#e6edf3"></span>Silkscreen</button><button class="lyrtog" data-lyr="fab"><span class="d" style="background:#8b949e"></span>Fab</button><button class="lyrtog" data-lyr="courtyard"><span class="d" style="background:#bc8cff"></span>Courtyard</button></div>-<div class=stage id=stage><svg xmlns='http://www.w3.org/2000/svg' viewBox='-4.250 -3.900 8.500 7.800' style='width:100%;height:100%'><line class='ly-silk' x1='-2.310' y1='-3.385' x2='2.310' y2='-3.385' stroke='#d8b4fe' stroke-width='0.120'/><line class='ly-silk' x1='2.310' y1='3.385' x2='-2.310' y2='3.385' 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