component
CD4511B
Public Made by Adomby adom
TI BCD-to-7-segment latch/decoder/driver, SOIC-16. Drives common-cathode LED displays, lamp test + blanking. Datasheet-verified.
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page.json+170−8@@ -1,8 +1,11 @@ {+ "schema_version": 1,+ "type": "component", "slug": "cd4511b",+ "title": "CD4511B",+ "brief": "TI BCD-to-7-segment latch/decoder/driver, SOIC-16. Drives common-cathode LED displays, lamp test + blanking. Datasheet-verified.", "version": "0.1.0",- "type": "component",- "description": "TI BCD-to-7-segment latch/decoder/driver, SOIC-16. Drives common-cathode LED displays, lamp test + blanking. Datasheet-verified.",+ "license": "CC-BY-SA-4.0", "tags": [ "component", "driver",@@ -13,6 +16,170 @@ "soic-16", "texas-instruments" ],+ "component": {+ "mpn": "CD4511B",+ "manufacturer": "Texas Instruments",+ "package": "SOIC-16",+ "pin_count": 16,+ "category": "Driver",+ "subcategory": "BCD-to-7-segment decoder / driver",+ "datasheet": "https://www.ti.com/lit/ds/symlink/cd4511b.pdf",+ "parts": {+ "symbol": "cd4511b.kicad_sym",+ "footprint": "cd4511b.kicad_mod",+ "model_3d": "cd4511b.glb"+ },+ "distributor_links": {},+ "pins": [+ {+ "number": "1",+ "name": "B",+ "type": "input",+ "description": "BCD data input bit B (weight 2). CMOS-level input latched on rising edge of LE."+ },+ {+ "number": "2",+ "name": "C",+ "type": "input",+ "description": "BCD data input bit C (weight 4). CMOS-level input latched on rising edge of LE."+ },+ {+ "number": "3",+ "name": "LT",+ "type": "input",+ "description": "Lamp Test (active low). When LT = 0 (with BL = 1), all seven segment outputs a-g are forced high to illuminate every segment for display test regardless of BCD inputs."+ },+ {+ "number": "4",+ "name": "BL",+ "type": "input",+ "description": "Blanking input (active low). When BL = 0 (with LT = 1), all seven segment outputs are forced low, blanking the display for intensity modulation/strobe applications."+ },+ {+ "number": "5",+ "name": "LE/STROBE",+ "type": "input",+ "description": "Latch Enable / Strobe. When LE = 0, BCD input data flows through the latch transparently; on LE = 1 the currently-latched BCD code is held and decoded regardless of subsequent input changes."+ },+ {+ "number": "6",+ "name": "D",+ "type": "input",+ "description": "BCD data input bit D (MSB, weight 8). CMOS-level input latched on rising edge of LE."+ },+ {+ "number": "7",+ "name": "A",+ "type": "input",+ "description": "BCD data input bit A (LSB, weight 1). CMOS-level input latched on rising edge of LE."+ },+ {+ "number": "8",+ "name": "VSS",+ "type": "power_in",+ "description": "Negative supply / ground reference (0 V). Common return for the BCD input latch, decoder logic, and segment driver emitters."+ },+ {+ "number": "9",+ "name": "e",+ "type": "output",+ "description": "Seven-segment driver output for segment e. Active-high n-p-n bipolar sourcing output capable of driving up to 25 mA into a common-cathode LED segment."+ },+ {+ "number": "10",+ "name": "d",+ "type": "output",+ "description": "Seven-segment driver output for segment d. Active-high sourcing output (up to 25 mA) for common-cathode display drive."+ },+ {+ "number": "11",+ "name": "c",+ "type": "output",+ "description": "Seven-segment driver output for segment c. Active-high sourcing output (up to 25 mA) for common-cathode display drive."+ },+ {+ "number": "12",+ "name": "b",+ "type": "output",+ "description": "Seven-segment driver output for segment b. Active-high sourcing output (up to 25 mA) for common-cathode display drive."+ },+ {+ "number": "13",+ "name": "a",+ "type": "output",+ "description": "Seven-segment driver output for segment a. Active-high sourcing output (up to 25 mA) for common-cathode display drive."+ },+ {+ "number": "14",+ "name": "g",+ "type": "output",+ "description": "Seven-segment driver output for segment g (center bar). Active-high sourcing output (up to 25 mA) for common-cathode display drive."+ },+ {+ "number": "15",+ "name": "f",+ "type": "output",+ "description": "Seven-segment driver output for segment f. Active-high sourcing output (up to 25 mA) for common-cathode display drive."+ },+ {+ "number": "16",+ "name": "VDD",+ "type": "power_in",+ "description": "Positive supply voltage. Operating range 3-18 V (absolute max VSS\u22120.5 V to +20 V). Decoupling with a 100 nF ceramic close to the pin is recommended."+ }+ ],+ "provenance": {+ "extractor": "ds2sf",+ "datasheet": {+ "url": "https://www.ti.com/lit/ds/symlink/cd4511b.pdf",+ "pages": 19,+ "sha256": "64e032d04d526047",+ "source_tier": "mfr"+ },+ "cad": "KiCad official (CC-BY-SA 4.0)",+ "pins": {+ "total": 16,+ "described": 16,+ "cites_pages": true,+ "refuses_to_fabricate": true+ }+ },+ "viewers": {+ "symbol": "viewers/symbol.html",+ "footprint": "viewers/footprint.html"+ }+ },+ "metadata": {+ "specs": {+ "Type": "BCD-to-7-segment decoder/driver",+ "Inputs": "4-bit BCD (A-D)",+ "Outputs": "7 segments (a-g), direct LED drive",+ "Display type": "common-cathode",+ "Controls": "latch enable, lamp test, blanking",+ "Logic family": "4000B CMOS",+ "Supply voltage": "3-18 V",+ "Package": "SOIC-16"+ }+ },+ "sections": [+ "hero",+ "viewers",+ "readme",+ "breadcrumbs",+ "info"+ ],+ "discovery_triggers": [+ "cd4511b",+ "cd4511",+ "bcd to 7 segment",+ "7 segment decoder",+ "led display driver"+ ],+ "discovery_pitch": "CD4511B BCD-to-7-segment latch/decoder/driver (SOIC-16) with datasheet-verified pinout, KiCad footprint/3D, and full provenance.",+ "author": {+ "name": "Ray",+ "email": "[email protected]"+ }, "dependencies": {}, "hero": { "type": "image",@@ -28,10 +195,5 @@ "docs/cd4511b-datasheet.pdf", "viewers/symbol.html", "viewers/footprint.html"- ],- "visibility": "public",- "author": {- "name": "Ray",- "email": "[email protected]"- }+ ] }