component
SN74ALVCH16825DL
Public Made by Adomby adom
Texas Instruments Buffers / Drivers, SSOP-56-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483
{
"slug": "sn74alvch16825dl",
"version": "0.1.0",
"type": "component",
"description": "Texas Instruments Buffers / Drivers, SSOP-56-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"logic ics",
"sn74alvch16825dl",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"sn74alvch16825dl.kicad_sym",
"sn74alvch16825dl.kicad_mod",
"sn74alvch16825dl.glb",
"sn74alvch16825dl.step",
"sn74alvch16825dl.lbr",
"docs/hero.png",
"docs/sn74alvch16825dl-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"sn74alvch16825dl-hero.glb",
"sn74alvch16825dl-hero.overlay.json",
"sn74alvch16825dl-etched.glb"
],
"component": {
"mpn": "SN74ALVCH16825DL",
"manufacturer": "Texas Instruments",
"package": "SSOP-56-300mil",
"pin_count": 56,
"category": "Logic ICs",
"subcategory": "Buffers / Drivers",
"datasheet": "https://www.ti.com/lit/ds/symlink/sn74alvch16825dl.pdf",
"parts": {
"symbol": "sn74alvch16825dl.kicad_sym",
"footprint": "sn74alvch16825dl.kicad_mod",
"model_3d": "sn74alvch16825dl-hero.glb",
"model_3d_plain": "sn74alvch16825dl-etched.glb",
"model_3d_step": "sn74alvch16825dl-etched.step",
"model_3d_step_plain": "sn74alvch16825dl.step",
"lbr": "sn74alvch16825dl.lbr"
},
"distributor_links": {
"lcsc": "C1548514",
"digikey": "2156-SN74ALVCH16825DL-ND",
"mouser": "595-SN74ALVCH16825DL"
},
"distributor_check": {
"checked_at": "2026-10-30T22:59:17Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "2156-SN74ALVCH16825DL-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "595-SN74ALVCH16825DL",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "1OE1",
"type": "input",
"description": "Active-low output enable for the first 9-bit section (1Y1-1Y9); if this input is high, all nine 1Y outputs go to high impedance."
},
{
"number": "2",
"name": "1Y1",
"type": "tri_state",
"description": "3-state output of channel 1 in the first 9-bit section, high impedance when either 1OE1 or 1OE2 is high."
},
{
"number": "3",
"name": "1Y2",
"type": "tri_state",
"description": "3-state output of channel 2 in the first 9-bit section, high impedance when either 1OE1 or 1OE2 is high."
},
{
"number": "4",
"name": "GND",
"type": "power_in",
"description": "Ground reference pin."
},
{
"number": "5",
"name": "1Y3",
"type": "tri_state",
"description": "3-state output of channel 3 in the first 9-bit section, high impedance when either 1OE1 or 1OE2 is high."
},
{
"number": "6",
"name": "1Y4",
"type": "tri_state",
"description": "3-state output of channel 4 in the first 9-bit section, high impedance when either 1OE1 or 1OE2 is high."
},
{
"number": "7",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage; the device is designed for 1.65 V to 3.6 V VCC operation."
},
{
"number": "8",
"name": "1Y5",
"type": "tri_state",
"description": "3-state output of channel 5 in the first 9-bit section, high impedance when either 1OE1 or 1OE2 is high."
},
{
"number": "9",
"name": "1Y6",
"type": "tri_state",
"description": "3-state output of channel 6 in the first 9-bit section, high impedance when either 1OE1 or 1OE2 is high."
},
{
"number": "10",
"name": "1Y7",
"type": "tri_state",
"description": "3-state output of channel 7 in the first 9-bit section, high impedance when either 1OE1 or 1OE2 is high."
},
{
"number": "11",
"name": "GND",
"type": "power_in",
"description": "Ground reference pin."
},
{
"number": "12",
"name": "1Y8",
"type": "tri_state",
"description": "3-state output of channel 8 in the first 9-bit section, high impedance when either 1OE1 or 1OE2 is high."
},
{
"number": "13",
"name": "1Y9",
"type": "tri_state",
"description": "3-state output of channel 9 in the first 9-bit section, high impedance when either 1OE1 or 1OE2 is high."
},
{
"number": "14",
"name": "GND",
"type": "power_in",
"description": "Ground reference pin."
},
{
"number": "15",
"name": "GND",
"type": "power_in",
"description": "Ground reference pin."
},
{
"number": "16",
"name": "2Y1",
"type": "tri_state",
"description": "3-state output of channel 1 in the second 9-bit section, high impedance when either 2OE1 or 2OE2 is high."
},
{
"number": "17",
"name": "2Y2",
"type": "tri_state",
"description": "3-state output of channel 2 in the second 9-bit section, high impedance when either 2OE1 or 2OE2 is high."
},
{
"number": "18",
"name": "GND",
"type": "power_in",
"description": "Ground reference pin."
},
{
"number": "19",
"name": "2Y3",
"type": "tri_state",
"description": "3-state output of channel 3 in the second 9-bit section, high impedance when either 2OE1 or 2OE2 is high."
},
{
"number": "20",
"name": "2Y4",
"type": "tri_state",
"description": "3-state output of channel 4 in the second 9-bit section, high impedance when either 2OE1 or 2OE2 is high."
},
{
"number": "21",
"name": "2Y5",
"type": "tri_state",
"description": "3-state output of channel 5 in the second 9-bit section, high impedance when either 2OE1 or 2OE2 is high."
},
{
"number": "22",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage; the device is designed for 1.65 V to 3.6 V VCC operation."
},
{
"number": "23",
"name": "2Y6",
"type": "tri_state",
"description": "3-state output of channel 6 in the second 9-bit section, high impedance when either 2OE1 or 2OE2 is high."
},
{
"number": "24",
"name": "2Y7",
"type": "tri_state",
"description": "3-state output of channel 7 in the second 9-bit section, high impedance when either 2OE1 or 2OE2 is high."
},
{
"number": "25",
"name": "GND",
"type": "power_in",
"description": "Ground reference pin."
},
{
"number": "26",
"name": "2Y8",
"type": "tri_state",
"description": "3-state output of channel 8 in the second 9-bit section, high impedance when either 2OE1 or 2OE2 is high."
},
{
"number": "27",
"name": "2Y9",
"type": "tri_state",
"description": "3-state output of channel 9 in the second 9-bit section, high impedance when either 2OE1 or 2OE2 is high."
},
{
"number": "28",
"name": "2OE1",
"type": "input",
"description": "Active-low output enable for the second 9-bit section (2Y1-2Y9); if this input is high, all nine 2Y outputs go to high impedance."
},
{
"number": "29",
"name": "2OE2",
"type": "input",
"description": "Active-low output enable for the second 9-bit section (2Y1-2Y9); if this input is high, all nine 2Y outputs go to high impedance."
},
{
"number": "30",
"name": "2A9",
"type": "input",
"description": "Data input for channel 9 of the second 9-bit section; bus hold holds unused or floating inputs at a valid logic level."
},
{
"number": "31",
"name": "2A8",
"type": "input",
"description": "Data input for channel 8 of the second 9-bit section; bus hold holds unused or floating inputs at a valid logic level."
},
{
"number": "32",
"name": "GND",
"type": "power_in",
"description": "Ground reference pin."
},
{
"number": "33",
"name": "2A7",
"type": "input",
"description": "Data input for channel 7 of the second 9-bit section; bus hold holds unused or floating inputs at a valid logic level."
},
{
"number": "34",
"name": "2A6",
"type": "input",
"description": "Data input for channel 6 of the second 9-bit section; bus hold holds unused or floating inputs at a valid logic level."
},
{
"number": "35",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage; the device is designed for 1.65 V to 3.6 V VCC operation."
},
{
"number": "36",
"name": "2A5",
"type": "input",
"description": "Data input for channel 5 of the second 9-bit section; bus hold holds unused or floating inputs at a valid logic level."
},
{
"number": "37",
"name": "2A4",
"type": "input",
"description": "Data input for channel 4 of the second 9-bit section; bus hold holds unused or floating inputs at a valid logic level."
},
{
"number": "38",
"name": "2A3",
"type": "input",
"description": "Data input for channel 3 of the second 9-bit section; bus hold holds unused or floating inputs at a valid logic level."
},
{
"number": "39",
"name": "GND",
"type": "power_in",
"description": "Ground reference pin."
},
{
"number": "40",
"name": "2A2",
"type": "input",
"description": "Data input for channel 2 of the second 9-bit section; bus hold holds unused or floating inputs at a valid logic level."
},
{
"number": "41",
"name": "2A1",
"type": "input",
"description": "Data input for channel 1 of the second 9-bit section; bus hold holds unused or floating inputs at a valid logic level."
},
{
"number": "42",
"name": "GND",
"type": "power_in",
"description": "Ground reference pin."
},
{
"number": "43",
"name": "GND",
"type": "power_in",
"description": "Ground reference pin."
},
{
"number": "44",
"name": "1A9",
"type": "input",
"description": "Data input for channel 9 of the first 9-bit section; bus hold holds unused or floating inputs at a valid logic level."
},
{
"number": "45",
"name": "1A8",
"type": "input",
"description": "Data input for channel 8 of the first 9-bit section; bus hold holds unused or floating inputs at a valid logic level."
},
{
"number": "46",
"name": "GND",
"type": "power_in",
"description": "Ground reference pin."
},
{
"number": "47",
"name": "1A7",
"type": "input",
"description": "Data input for channel 7 of the first 9-bit section; bus hold holds unused or floating inputs at a valid logic level."
},
{
"number": "48",
"name": "1A6",
"type": "input",
"description": "Data input for channel 6 of the first 9-bit section; bus hold holds unused or floating inputs at a valid logic level."
},
{
"number": "49",
"name": "1A5",
"type": "input",
"description": "Data input for channel 5 of the first 9-bit section; bus hold holds unused or floating inputs at a valid logic level."
},
{
"number": "50",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage; the device is designed for 1.65 V to 3.6 V VCC operation."
},
{
"number": "51",
"name": "1A4",
"type": "input",
"description": "Data input for channel 4 of the first 9-bit section; bus hold holds unused or floating inputs at a valid logic level."
},
{
"number": "52",
"name": "1A3",
"type": "input",
"description": "Data input for channel 3 of the first 9-bit section; bus hold holds unused or floating inputs at a valid logic level."
},
{
"number": "53",
"name": "GND",
"type": "power_in",
"description": "Ground reference pin."
},
{
"number": "54",
"name": "1A2",
"type": "input",
"description": "Data input for channel 2 of the first 9-bit section; bus hold holds unused or floating inputs at a valid logic level."
},
{
"number": "55",
"name": "1A1",
"type": "input",
"description": "Data input for channel 1 of the first 9-bit section; bus hold holds unused or floating inputs at a valid logic level."
},
{
"number": "56",
"name": "1OE2",
"type": "input",
"description": "Active-low output enable for the first 9-bit section (1Y1-1Y9); if this input is high, all nine 1Y outputs go to high impedance."
}
],
"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 DL (SSOP-56) pin diagram is given in the datasheet as a text listing of names, not as a numbered; The logic symbol on page 2 labels pin 38 as '2A2' and pin 37 as '2A3', which conflicts with the pin ; The datasheet's pin diagram covers both the DGG (TSSOP) and DL (SSOP) packages with the same pinout."
],
"pages_sent": 18,
"cost_usd": 0.0949,
"at": "2026-10-30T22:58:58"
},
"datasheet": {
"url": "https://www.ti.com/lit/ds/symlink/sn74alvch16825dl.pdf",
"pages": 18,
"sha256": "d517cc195c706864",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 56,
"described": 56,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "sn74alvch16825dl.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
10.35,
18.5,
2.99
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "496b138c9bddb6111fccc97928b5e654846ac39b68862745293b24c720d158e5",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "sn74alvch16825dl-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
10.35,
18.5,
2.99
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "dc49ad1dc4cc8493b28aeea395f724119f9d9654e522d293ba6e3bf0ccce973e",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}