component
74HC245WS20ARBQ
Public Made by Adomby adom
GR Buffers, Drivers, Receivers, Transceivers, SOP-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565
{
"schema_version": 1,
"type": "component",
"slug": "74hc245ws20arbq",
"title": "74HC245WS20ARBQ",
"brief": "GR Buffers, Drivers, Receivers, Transceivers, SOP-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"logic",
"74hc245ws20arbq",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "74HC245WS20ARBQ",
"manufacturer": "GR",
"package": "SOP-20-300mil",
"pin_count": 20,
"category": "Logic",
"subcategory": "Buffers, Drivers, Receivers, Transceivers",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/772a84ea13c53ce56885d28205200b3e.pdf",
"parts": {
"symbol": "74hc245ws20arbq.kicad_sym",
"footprint": "74hc245ws20arbq.kicad_mod",
"model_3d": "74hc245ws20arbq-hero.glb",
"model_3d_plain": "74hc245ws20arbq-etched.glb",
"model_3d_step": "74hc245ws20arbq-etched.step",
"model_3d_step_plain": "74hc245ws20arbq.step",
"lbr": "74hc245ws20arbq.lbr"
},
"distributor_links": {
"lcsc": "C48606306"
},
"distributor_check": {
"checked_at": "2026-10-18T14:20:40Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "DIR",
"type": "input",
"description": "Direction-control input: with OE low, DIR low selects B-to-A transfer and DIR high selects A-to-B transfer."
},
{
"number": "2",
"name": "A1",
"type": "bidirectional",
"description": "3-state input/output on the A bus; output drive is ±6mA at 5V and the pin is active only when OE is low."
},
{
"number": "3",
"name": "A2",
"type": "bidirectional",
"description": "3-state input/output on the A bus; output drive is ±6mA at 5V and the pin is active only when OE is low."
},
{
"number": "4",
"name": "A3",
"type": "bidirectional",
"description": "3-state input/output on the A bus; output drive is ±6mA at 5V and the pin is active only when OE is low."
},
{
"number": "5",
"name": "A4",
"type": "bidirectional",
"description": "3-state input/output on the A bus; output drive is ±6mA at 5V and the pin is active only when OE is low."
},
{
"number": "6",
"name": "A5",
"type": "bidirectional",
"description": "3-state input/output on the A bus; output drive is ±6mA at 5V and the pin is active only when OE is low."
},
{
"number": "7",
"name": "A6",
"type": "bidirectional",
"description": "3-state input/output on the A bus; output drive is ±6mA at 5V and the pin is active only when OE is low."
},
{
"number": "8",
"name": "A7",
"type": "bidirectional",
"description": "3-state input/output on the A bus; output drive is ±6mA at 5V and the pin is active only when OE is low."
},
{
"number": "9",
"name": "A8",
"type": "bidirectional",
"description": "3-state input/output on the A bus; output drive is ±6mA at 5V and the pin is active only when OE is low."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Ground reference; all device voltages are referenced to GND (0 V)."
},
{
"number": "11",
"name": "B8",
"type": "bidirectional",
"description": "3-state input/output on the B bus; output drive is ±6mA at 5V and the pin is active only when OE is low."
},
{
"number": "12",
"name": "B7",
"type": "bidirectional",
"description": "3-state input/output on the B bus; output drive is ±6mA at 5V and the pin is active only when OE is low."
},
{
"number": "13",
"name": "B6",
"type": "bidirectional",
"description": "3-state input/output on the B bus; output drive is ±6mA at 5V and the pin is active only when OE is low."
},
{
"number": "14",
"name": "B5",
"type": "bidirectional",
"description": "3-state input/output on the B bus; output drive is ±6mA at 5V and the pin is active only when OE is low."
},
{
"number": "15",
"name": "B4",
"type": "bidirectional",
"description": "3-state input/output on the B bus; output drive is ±6mA at 5V and the pin is active only when OE is low."
},
{
"number": "16",
"name": "B3",
"type": "bidirectional",
"description": "3-state input/output on the B bus; output drive is ±6mA at 5V and the pin is active only when OE is low."
},
{
"number": "17",
"name": "B2",
"type": "bidirectional",
"description": "3-state input/output on the B bus; output drive is ±6mA at 5V and the pin is active only when OE is low."
},
{
"number": "18",
"name": "B1",
"type": "bidirectional",
"description": "3-state input/output on the B bus; output drive is ±6mA at 5V and the pin is active only when OE is low."
},
{
"number": "19",
"name": "OE",
"type": "input",
"description": "Active-low output enable; when high, the device is in isolation and both buses are effectively disconnected."
},
{
"number": "20",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage; recommended operating range is 2 V to 6 V, with an absolute maximum of 7 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 has one 20-pin pin table (page 2) that is not labeled per package. I applied it to the; The text does not state 300 mil body width for the SOP-W package; it only says 'SOP - W' and 'SOP20 ; The pin table prints the type of DIR (pin 1) and OE (pin 19) as I/O, but both are control inputs per"
],
"pages_sent": 9,
"cost_usd": 0.0268,
"at": "2026-10-18T14:20:14"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/772a84ea13c53ce56885d28205200b3e.pdf",
"pages": 9,
"sha256": "790f2ed0ddfb2542",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 20,
"described": 20,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "74hc245ws20arbq.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
10.26,
12.8,
2.65
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "04652a2a915fa15fb42afae9b90ae248386493c01e3b85a0a59b9908d1c6b3f8",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "74hc245ws20arbq-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
10.26,
12.8,
2.65
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "62a1b4fb1e1e73ee6230499defbbd372df513b85bbc0cbd55fb61483478b522f",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "GR",
"Package": "SOP-20-300mil",
"Category": "Logic",
"Pins": "20"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "790f2ed0ddfb2542f58ffa9dc2e4edeb7c13ebb4e3718d3bdfec200ffd14ce45",
"rows": [
{
"name": "Supply Voltage",
"symbol": "VCC",
"kind": "absolute_maximum",
"unit": "V",
"min": -0.5,
"typ": null,
"max": 7,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Power Dissipation",
"symbol": "PD",
"kind": "absolute_maximum",
"unit": "mW",
"min": null,
"typ": null,
"max": 500,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Junction Temperature",
"symbol": "TJ",
"kind": "absolute_maximum",
"unit": "℃",
"min": null,
"typ": null,
"max": 125,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Operating Temperature",
"symbol": "TOP",
"kind": "absolute_maximum",
"unit": "℃",
"min": 0,
"typ": null,
"max": 70,
"conditions": "",
"source_page": 3,
"source": "datasheet"
},
{
"name": "Supply Voltage",
"symbol": "VCC",
"kind": "recommended_operating",
"unit": "V",
"min": 2,
"typ": 5,
"max": 6,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "High Level Input Voltage",
"symbol": "VIH",
"kind": "recommended_operating",
"unit": "V",
"min": 1.5,
"typ": null,
"max": null,
"conditions": "VCC=2V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "High Level Input Voltage",
"symbol": "VIH",
"kind": "recommended_operating",
"unit": "V",
"min": 3.15,
"typ": null,
"max": null,
"conditions": "VCC=4.5V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "High Level Input Voltage",
"symbol": "VIH",
"kind": "recommended_operating",
"unit": "V",
"min": 4.2,
"typ": null,
"max": null,
"conditions": "VCC=6V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Low Level Input Voltage",
"symbol": "VIL",
"kind": "recommended_operating",
"unit": "V",
"min": null,
"typ": null,
"max": 0.5,
"conditions": "VCC=2V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Low Level Input Voltage",
"symbol": "VIL",
"kind": "recommended_operating",
"unit": "V",
"min": null,
"typ": null,
"max": 1.35,
"conditions": "VCC=4.5V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Low Level Input Voltage",
"symbol": "VIL",
"kind": "recommended_operating",
"unit": "V",
"min": null,
"typ": null,
"max": 1.8,
"conditions": "VCC=6V",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input voltage",
"symbol": "VI",
"kind": "recommended_operating",
"unit": "V",
"min": 0,
"typ": null,
"max": null,
"conditions": "",
"source_page": 4,
"source": "datasheet"
},
{
"name": "High Level Output Voltage",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 1.9,
"typ": null,
"max": null,
"conditions": "VCC=2V,IO=-20uA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "High Level Output Voltage",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 4.4,
"typ": null,
"max": null,
"conditions": "VCC=4.5V,IO=-20uA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "High Level Output Voltage",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 5.9,
"typ": null,
"max": null,
"conditions": "VCC=6V,IO=-20uA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "High Level Output Voltage",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 4,
"typ": null,
"max": null,
"conditions": "VCC=4.5V,IO=-6mA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "High Level Output Voltage",
"symbol": "VOH",
"kind": "electrical",
"unit": "V",
"min": 5.5,
"typ": null,
"max": null,
"conditions": "VCC=6V,IO=-7.8mA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Low Level Output Voltage",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.1,
"conditions": "VCC=2V,IO=20uA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Low Level Output Voltage",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.3,
"conditions": "VCC=4.5V,IO=6mA",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Input Leakage Current",
"symbol": "II",
"kind": "electrical",
"unit": "uA",
"min": -1,
"typ": 0,
"max": 1,
"conditions": "VCC=6V,VI=VCC or GND",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Off-State (High Impedance State) Output Current (A or B)",
"symbol": "IOZ",
"kind": "electrical",
"unit": "uA",
"min": -5,
"typ": 0,
"max": 5,
"conditions": "VCC=6V,VO=VCC or GND",
"source_page": 4,
"source": "datasheet"
},
{
"name": "Quiescent Supply Current",
"symbol": "ICC",
"kind": "electrical",
"unit": "uA",
"min": null,
"typ": 0,
"max": 10,
"conditions": "VCC=6V,VI=VCC/GND",
"source_page": 4,
"source": "datasheet"
}
]
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"74hc245ws20arbq"
],
"discovery_pitch": "74HC245WS20ARBQ (GR) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"74hc245ws20arbq.kicad_sym",
"74hc245ws20arbq.kicad_mod",
"74hc245ws20arbq.glb",
"74hc245ws20arbq.step",
"74hc245ws20arbq.lbr",
"docs/hero.png",
"docs/74hc245ws20arbq-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"74hc245ws20arbq-hero.glb",
"74hc245ws20arbq-hero.overlay.json",
"74hc245ws20arbq-etched.glb"
],
"visibility": {
"public": true
}
}