component
74HCT138S16-13
Public Made by Adomby adom
Diodes Incorporated Signal Switches, Multiplexers, Decoders, SO-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243
{
"slug": "74hct138s16-13",
"version": "0.1.0",
"type": "component",
"description": "Diodes Incorporated Signal Switches, Multiplexers, Decoders, SO-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"logic",
"74hct138s16-13",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"74hct138s16-13.kicad_sym",
"74hct138s16-13.kicad_mod",
"74hct138s16-13.glb",
"74hct138s16-13.step",
"74hct138s16-13.lbr",
"docs/hero.png",
"docs/74hct138s16-13-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"74hct138s16-13-hero.glb",
"74hct138s16-13-hero.overlay.json",
"74hct138s16-13-etched.glb"
],
"component": {
"mpn": "74HCT138S16-13",
"manufacturer": "Diodes Incorporated",
"package": "SO-16",
"pin_count": 16,
"category": "Logic",
"subcategory": "Signal Switches, Multiplexers, Decoders",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588927770953199617",
"parts": {
"symbol": "74hct138s16-13.kicad_sym",
"footprint": "74hct138s16-13.kicad_mod",
"model_3d": "74hct138s16-13-hero.glb",
"model_3d_plain": "74hct138s16-13-etched.glb",
"model_3d_step": "74hct138s16-13-etched.step",
"model_3d_step_plain": "74hct138s16-13.step",
"lbr": "74hct138s16-13.lbr"
},
"distributor_links": {
"lcsc": "C842448",
"digikey": "31-74HCT138S16-13TR-ND",
"mouser": "621-74HCT138S16-13"
},
"distributor_check": {
"checked_at": "2026-10-21T01:49:33Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "31-74HCT138S16-13TR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "621-74HCT138S16-13",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "A0",
"type": "input",
"description": "Address input 0 is the least significant binary select bit; the inputs have Schmitt trigger action and accept up to 6.0 V, and unused inputs should be held at VCC or ground."
},
{
"number": "2",
"name": "A1",
"type": "input",
"description": "Address input 1 selects the output along with A0 and A2; the inputs have Schmitt trigger action and accept up to 6.0 V, and unused inputs should be held at VCC or ground."
},
{
"number": "3",
"name": "A2",
"type": "input",
"description": "Address input 2 is the most significant binary select bit; the inputs have Schmitt trigger action and accept up to 6.0 V, and unused inputs should be held at VCC or ground."
},
{
"number": "4",
"name": "E1",
"type": "input",
"description": "Enable input 1 is active LOW; the device is enabled only when E1 and E2 are low and E3 is high."
},
{
"number": "5",
"name": "E2",
"type": "input",
"description": "Enable input 2 is active LOW; the device is enabled only when E1 and E2 are low and E3 is high."
},
{
"number": "6",
"name": "E3",
"type": "input",
"description": "Enable input 3 is active HIGH; the device is enabled only when E3 is high and E1 and E2 are low."
},
{
"number": "7",
"name": "Y7",
"type": "output",
"description": "Output 7 is active LOW, going low only when the device is enabled and address 7 is selected, and is otherwise high."
},
{
"number": "8",
"name": "GND",
"type": "power_in",
"description": "Ground reference for the device."
},
{
"number": "9",
"name": "Y6",
"type": "output",
"description": "Output 6 is active LOW, going low only when the device is enabled and address 6 is selected, and is otherwise high."
},
{
"number": "10",
"name": "Y5",
"type": "output",
"description": "Output 5 is active LOW, going low only when the device is enabled and address 5 is selected, and is otherwise high."
},
{
"number": "11",
"name": "Y4",
"type": "output",
"description": "Output 4 is active LOW, going low only when the device is enabled and address 4 is selected, and is otherwise high."
},
{
"number": "12",
"name": "Y3",
"type": "output",
"description": "Output 3 is active LOW, going low only when the device is enabled and address 3 is selected, and is otherwise high."
},
{
"number": "13",
"name": "Y2",
"type": "output",
"description": "Output 2 is active LOW, going low only when the device is enabled and address 2 is selected, and is otherwise high."
},
{
"number": "14",
"name": "Y1",
"type": "output",
"description": "Output 1 is active LOW, going low only when the device is enabled and address 1 is selected, and is otherwise high."
},
{
"number": "15",
"name": "Y0",
"type": "output",
"description": "Output 0 is active LOW, going low only when the device is enabled and address 0 is selected, and is otherwise high."
},
{
"number": "16",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage with a recommended operating range of 4.5 V to 5.5 V (absolute maximum 7.0 V)."
}
],
"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 datasheet pin table prints the pin 15 description as 'Output o (active LOW)'; it was read as Out; The pin assignment table (page 2) is not labeled per package. The MPN 74HCT138S16-13 is the SO-16 va; Supply range 4.5 V to 5.5 V and absolute maximum 7.0 V are from the recommended operating conditions"
],
"pages_sent": 10,
"cost_usd": 0.044,
"at": "2026-10-21T01:45:58"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588927770953199617",
"pages": 10,
"sha256": "f6b0b6b9e4d12a8c",
"source_tier": "lcsc"
},
"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"
},
"models_3d": [
{
"file": "74hct138s16-13.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.0,
9.9,
1.75
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
"checked": "2026-10-21",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "74hct138s16-13-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.0,
9.9,
1.75
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "3e6c1f1962c4a310bffa8c7e32685c5640d05966010623dc07530227dc9d6cc0",
"checked": "2026-10-21",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}