component
MC74VHC245DTR2G
Public Made by Adomby adom
onsemi Buffers / Drivers, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "mc74vhc245dtr2g",
"version": "0.1.0",
"type": "component",
"description": "onsemi Buffers / Drivers, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"logic ics",
"mc74vhc245dtr2g",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
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"path": "docs/hero.png"
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"mc74vhc245dtr2g.step",
"mc74vhc245dtr2g.lbr",
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"docs/mc74vhc245dtr2g-datasheet.pdf",
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"component": {
"mpn": "MC74VHC245DTR2G",
"manufacturer": "onsemi",
"package": "TSSOP-20",
"pin_count": 20,
"category": "Logic ICs",
"subcategory": "Buffers / Drivers",
"datasheet": "https://www.onsemi.com/pdf/datasheet/mc74vhc245dtr2-d.pdf",
"parts": {
"symbol": "mc74vhc245dtr2g.kicad_sym",
"footprint": "mc74vhc245dtr2g.kicad_mod",
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"model_3d_step_plain": "mc74vhc245dtr2g.step",
"lbr": "mc74vhc245dtr2g.lbr"
},
"distributor_links": {
"lcsc": "C904176",
"mouser": "863-MC74VHC245DTR2G"
},
"distributor_check": {
"checked_at": "2026-10-22T21:21:32Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": "863-MC74VHC245DTR2G",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "DIR",
"type": "input",
"description": "Direction control input: a low level transmits data from bus B to bus A and a high level transmits data from bus A to bus B, and inputs must stay within GND to VCC."
},
{
"number": "2",
"name": "A1",
"type": "bidirectional",
"description": "Bus A data port, which transmits or receives depending on DIR and goes to high impedance when OE is high."
},
{
"number": "3",
"name": "A2",
"type": "bidirectional",
"description": "Bus A data port, which transmits or receives depending on DIR and goes to high impedance when OE is high."
},
{
"number": "4",
"name": "A3",
"type": "bidirectional",
"description": "Bus A data port, which transmits or receives depending on DIR and goes to high impedance when OE is high."
},
{
"number": "5",
"name": "A4",
"type": "bidirectional",
"description": "Bus A data port, which transmits or receives depending on DIR and goes to high impedance when OE is high."
},
{
"number": "6",
"name": "A5",
"type": "bidirectional",
"description": "Bus A data port, which transmits or receives depending on DIR and goes to high impedance when OE is high."
},
{
"number": "7",
"name": "A6",
"type": "bidirectional",
"description": "Bus A data port, which transmits or receives depending on DIR and goes to high impedance when OE is high."
},
{
"number": "8",
"name": "A7",
"type": "bidirectional",
"description": "Bus A data port, which transmits or receives depending on DIR and goes to high impedance when OE is high."
},
{
"number": "9",
"name": "A8",
"type": "bidirectional",
"description": "Bus A data port, which transmits or receives depending on DIR and goes to high impedance when OE is high."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Ground reference; inputs and outputs are constrained to the range GND to VCC for proper operation."
},
{
"number": "11",
"name": "B8",
"type": "bidirectional",
"description": "Bus B data port, which transmits or receives depending on DIR and goes to high impedance when OE is high."
},
{
"number": "12",
"name": "B7",
"type": "bidirectional",
"description": "Bus B data port, which transmits or receives depending on DIR and goes to high impedance when OE is high."
},
{
"number": "13",
"name": "B6",
"type": "bidirectional",
"description": "Bus B data port, which transmits or receives depending on DIR and goes to high impedance when OE is high."
},
{
"number": "14",
"name": "B5",
"type": "bidirectional",
"description": "Bus B data port, which transmits or receives depending on DIR and goes to high impedance when OE is high."
},
{
"number": "15",
"name": "B4",
"type": "bidirectional",
"description": "Bus B data port, which transmits or receives depending on DIR and goes to high impedance when OE is high."
},
{
"number": "16",
"name": "B3",
"type": "bidirectional",
"description": "Bus B data port, which transmits or receives depending on DIR and goes to high impedance when OE is high."
},
{
"number": "17",
"name": "B2",
"type": "bidirectional",
"description": "Bus B data port, which transmits or receives depending on DIR and goes to high impedance when OE is high."
},
{
"number": "18",
"name": "B1",
"type": "bidirectional",
"description": "Bus B data port, which transmits or receives depending on DIR and goes to high impedance when OE is high."
},
{
"number": "19",
"name": "OE",
"type": "input",
"description": "Output enable input: a high level isolates both buses in the high-impedance state, and unused inputs must be tied to GND or VCC."
},
{
"number": "20",
"name": "VCC",
"type": "power_in",
"description": "Positive supply pin; the device is designed for the 2.0 V to 5.5 V operating range."
}
],
"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: Figure 2 (PIN ASSIGNMENT) is shared by the SOIC-20 and TSSOP-20 variants and is not labeled per pack; The datasheet gives no per-pin electrical limits beyond the device-wide ratings, so the pin descript"
],
"pages_sent": 9,
"cost_usd": 0.0952,
"at": "2026-10-22T21:21:19"
},
"datasheet": {
"url": "https://www.onsemi.com/pdf/datasheet/mc74vhc245dtr2-d.pdf",
"pages": 9,
"sha256": "434ade239f60233b",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 20,
"described": 20,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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}