component
SN74AHC245QDWRG4Q1
Public Made by Adomby adom
Texas Instruments Buffers, Drivers, Receivers, Transceivers, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"number": "2",
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"description": "A-bus channel 1 3-state input/output; direction is set by DIR and the channel is high-impedance when OE is high."
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{
"number": "3",
"name": "A2",
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"description": "A-bus channel 2 3-state input/output; direction is set by DIR and the channel is high-impedance when OE is high."
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{
"number": "4",
"name": "A3",
"type": "bidirectional",
"description": "A-bus channel 3 3-state input/output; direction is set by DIR and the channel is high-impedance when OE is high."
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{
"number": "5",
"name": "A4",
"type": "bidirectional",
"description": "A-bus channel 4 3-state input/output; direction is set by DIR and the channel is high-impedance when OE is high."
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{
"number": "6",
"name": "A5",
"type": "bidirectional",
"description": "A-bus channel 5 3-state input/output; direction is set by DIR and the channel is high-impedance when OE is high."
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{
"number": "7",
"name": "A6",
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"description": "A-bus channel 6 3-state input/output; direction is set by DIR and the channel is high-impedance when OE is high."
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{
"number": "8",
"name": "A7",
"type": "bidirectional",
"description": "A-bus channel 7 3-state input/output; direction is set by DIR and the channel is high-impedance when OE is high."
},
{
"number": "9",
"name": "A8",
"type": "bidirectional",
"description": "A-bus channel 8 3-state input/output; direction is set by DIR and the channel is high-impedance when OE is high."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Device ground reference."
},
{
"number": "11",
"name": "B8",
"type": "bidirectional",
"description": "B-bus channel 8 3-state input/output; direction is set by DIR and the channel is high-impedance when OE is high."
},
{
"number": "12",
"name": "B7",
"type": "bidirectional",
"description": "B-bus channel 7 3-state input/output; direction is set by DIR and the channel is high-impedance when OE is high."
},
{
"number": "13",
"name": "B6",
"type": "bidirectional",
"description": "B-bus channel 6 3-state input/output; direction is set by DIR and the channel is high-impedance when OE is high."
},
{
"number": "14",
"name": "B5",
"type": "bidirectional",
"description": "B-bus channel 5 3-state input/output; direction is set by DIR and the channel is high-impedance when OE is high."
},
{
"number": "15",
"name": "B4",
"type": "bidirectional",
"description": "B-bus channel 4 3-state input/output; direction is set by DIR and the channel is high-impedance when OE is high."
},
{
"number": "16",
"name": "B3",
"type": "bidirectional",
"description": "B-bus channel 3 3-state input/output; direction is set by DIR and the channel is high-impedance when OE is high."
},
{
"number": "17",
"name": "B2",
"type": "bidirectional",
"description": "B-bus channel 2 3-state input/output; direction is set by DIR and the channel is high-impedance when OE is high."
},
{
"number": "18",
"name": "B1",
"type": "bidirectional",
"description": "B-bus channel 1 3-state input/output; direction is set by DIR and the channel is high-impedance when OE is high."
},
{
"number": "19",
"name": "OE",
"type": "input",
"description": "Output-enable input; when high the device is disabled so the A and B buses are isolated, and it should be tied to VCC through a pullup resistor to hold the high-impedance state during power up or power down."
},
{
"number": "20",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage, operating range 2 V to 5.5 V."
}
],
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"at": "2026-10-08T00:21:03"
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