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
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{
"slug": "74hc245ws20arbq",
"version": "0.1.0",
"type": "component",
"description": "GR Buffers, Drivers, Receivers, Transceivers, SOP-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
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"logic",
"74hc245ws20arbq",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
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"74hc245ws20arbq.step",
"74hc245ws20arbq.lbr",
"docs/hero.png",
"docs/74hc245ws20arbq-datasheet.pdf",
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"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",
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"lbr": "74hc245ws20arbq.lbr"
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"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"
},
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"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
10.26,
12.8,
2.65
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"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",
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}
}