component
CD74HCT154M96
Public Made by Adomby adom
Texas Instruments Signal Switches, Multiplexers, Decoders, SOIC-24-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
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"type": "component",
"slug": "cd74hct154m96",
"title": "CD74HCT154M96",
"brief": "Texas Instruments Signal Switches, Multiplexers, Decoders, SOIC-24-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
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],
"component": {
"mpn": "CD74HCT154M96",
"manufacturer": "Texas Instruments",
"package": "SOIC-24-300mil",
"pin_count": 24,
"category": "Logic",
"subcategory": "Signal Switches, Multiplexers, Decoders",
"datasheet": "https://www.ti.com/cn/lit/gpn/cd74hc154",
"parts": {
"symbol": "cd74hct154m96.kicad_sym",
"footprint": "cd74hct154m96.kicad_mod",
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"lbr": "cd74hct154m96.lbr"
},
"distributor_links": {
"lcsc": "C2653299",
"digikey": "296-31604-2-ND",
"mouser": "595-CD74HCT154M96"
},
"distributor_check": {
"checked_at": "2026-10-08T18:37:48Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-31604-2-ND",
"status": "found",
"lifecycle": "Active"
},
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"pn": "595-CD74HCT154M96",
"status": "found"
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},
"pins": [
{
"number": "1",
"name": "Y0",
"type": "output",
"description": "Active-low decoder output 0, driven low when address A3-A0 = 0000 and both enables are low (standard output, 10 LSTTL loads fanout)."
},
{
"number": "2",
"name": "Y1",
"type": "output",
"description": "Active-low decoder output 1, driven low when address A3-A0 = 0001 and both enables are low."
},
{
"number": "3",
"name": "Y2",
"type": "output",
"description": "Active-low decoder output 2, driven low when address A3-A0 = 0010 and both enables are low."
},
{
"number": "4",
"name": "Y3",
"type": "output",
"description": "Active-low decoder output 3, driven low when address A3-A0 = 0011 and both enables are low."
},
{
"number": "5",
"name": "Y4",
"type": "output",
"description": "Active-low decoder output 4, driven low when address A3-A0 = 0100 and both enables are low."
},
{
"number": "6",
"name": "Y5",
"type": "output",
"description": "Active-low decoder output 5, driven low when address A3-A0 = 0101 and both enables are low."
},
{
"number": "7",
"name": "Y6",
"type": "output",
"description": "Active-low decoder output 6, driven low when address A3-A0 = 0110 and both enables are low."
},
{
"number": "8",
"name": "Y7",
"type": "output",
"description": "Active-low decoder output 7, driven low when address A3-A0 = 0111 and both enables are low."
},
{
"number": "9",
"name": "Y8",
"type": "output",
"description": "Active-low decoder output 8, driven low when address A3-A0 = 1000 and both enables are low."
},
{
"number": "10",
"name": "Y9",
"type": "output",
"description": "Active-low decoder output 9, driven low when address A3-A0 = 1001 and both enables are low."
},
{
"number": "11",
"name": "Y10",
"type": "output",
"description": "Active-low decoder output 10, driven low when address A3-A0 = 1010 and both enables are low."
},
{
"number": "12",
"name": "GND",
"type": "power_in",
"description": "Ground reference (0 V) for the device."
},
{
"number": "13",
"name": "Y11",
"type": "output",
"description": "Active-low decoder output 11, driven low when address A3-A0 = 1011 and both enables are low."
},
{
"number": "14",
"name": "Y12",
"type": "output",
"description": "Active-low decoder output 12, driven low when address A3-A0 = 1100 and both enables are low."
},
{
"number": "15",
"name": "Y13",
"type": "output",
"description": "Active-low decoder output 13, driven low when address A3-A0 = 1101 and both enables are low."
},
{
"number": "16",
"name": "Y14",
"type": "output",
"description": "Active-low decoder output 14, driven low when address A3-A0 = 1110 and both enables are low."
},
{
"number": "17",
"name": "Y15",
"type": "output",
"description": "Active-low decoder output 15, driven low when address A3-A0 = 1111 and both enables are low."
},
{
"number": "18",
"name": "E1",
"type": "input",
"description": "Enable input 1; a high on either E1 or E2 forces all outputs high, and it can serve as the data input for demultiplexing (1.3 HCT unit loads)."
},
{
"number": "19",
"name": "E2",
"type": "input",
"description": "Enable input 2; a high on either E1 or E2 forces all outputs high, and it can serve as the data input for demultiplexing (1.3 HCT unit loads)."
},
{
"number": "20",
"name": "A3",
"type": "input",
"description": "Address select input bit 3 (MSB) selecting one of outputs Y0-Y15 (1.4 HCT unit loads)."
},
{
"number": "21",
"name": "A2",
"type": "input",
"description": "Address select input bit 2 selecting one of outputs Y0-Y15 (1.4 HCT unit loads)."
},
{
"number": "22",
"name": "A1",
"type": "input",
"description": "Address select input bit 1 selecting one of outputs Y0-Y15 (1.4 HCT unit loads)."
},
{
"number": "23",
"name": "A0",
"type": "input",
"description": "Address select input bit 0 (LSB) selecting one of outputs Y0-Y15 (1.4 HCT unit loads)."
},
{
"number": "24",
"name": "VCC",
"type": "power_in",
"description": "Positive supply; HCT types operate from 4.5V to 5.5V (absolute maximum -0.5V to 7V)."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"extractor flagged: The PDF text extraction of the pinout and functional diagram is scrambled, so the exact pin numbers ; Y11 to Y15 on pins 13 to 17 were inferred from the functional diagram number sequence, not from a cl; Pins 1 to 12 and 24 are consistent across the pinout and functional diagram text, but the datasheet "
],
"pages_sent": 14,
"cost_usd": 0.0852,
"at": "2026-10-08T18:37:29"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/cd74hc154",
"pages": 14,
"sha256": "280e5cce6eb56861",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 24,
"described": 24,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
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"units": "mm",
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"seat": "z = 0",
"extents_mm": [
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],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "4b0d20f82f5b0124fecfe11c941274a3c865a30f7baee8b8fadd7df55972d4cd",
"checked": "2026-10-08",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
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"sha256": "c86766fa379194f7f81ca31f8fea5227404a77823fdd350d396fdb396f8423bd",
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}
]
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "SOIC-24-300mil",
"Category": "Logic",
"Pins": "24"
}
},
"variants": [],
"sections": [
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"discovery_triggers": [
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],
"discovery_pitch": "CD74HCT154M96 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
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