component
TCA9543ADR
Public Made by Adomby adom
Texas Instruments Signal Switches, Multiplexers, Decoders, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "tca9543adr",
"version": "0.1.0",
"type": "component",
"description": "Texas Instruments Signal Switches, Multiplexers, Decoders, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"logic",
"tca9543adr",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
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"path": "docs/hero.png"
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"tca9543adr.step",
"tca9543adr.lbr",
"docs/hero.png",
"docs/tca9543adr-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
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],
"component": {
"mpn": "TCA9543ADR",
"manufacturer": "Texas Instruments",
"package": "SOIC-14",
"pin_count": 14,
"category": "Logic",
"subcategory": "Signal Switches, Multiplexers, Decoders",
"datasheet": "https://www.ti.com/lit/ds/symlink/tca9543a.pdf",
"parts": {
"symbol": "tca9543adr.kicad_sym",
"footprint": "tca9543adr.kicad_mod",
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"model_3d_step": "tca9543adr-etched.step",
"model_3d_step_plain": "tca9543adr.step",
"lbr": "tca9543adr.lbr"
},
"distributor_links": {
"lcsc": 2653306,
"digikey": "296-42064-2-ND",
"mouser": "595-TCA9543ADR"
},
"distributor_check": {
"checked_at": "2026-10-03T06:13:01Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-42064-2-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "595-TCA9543ADR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "A0",
"type": "input",
"description": "Address input 0; connect to VCC or ground to set device slave address."
},
{
"number": "2",
"name": "A1",
"type": "input",
"description": "Address input 1; connect to VCC or ground to set device slave address."
},
{
"number": "3",
"name": "RESET",
"type": "input",
"description": "Active-low reset input; resets I2C state machine and deselects both channels when low."
},
{
"number": "4",
"name": "INT0",
"type": "input",
"description": "Active-low interrupt input 0 from channel 0 slaves; pull-up resistor to VDPU0."
},
{
"number": "5",
"name": "SD0",
"type": "bidirectional",
"description": "Serial data 0 for channel 0 I2C bus; pull-up resistor to VDPU0."
},
{
"number": "6",
"name": "SC0",
"type": "bidirectional",
"description": "Serial clock 0 for channel 0 I2C bus; pull-up resistor to VDPU0."
},
{
"number": "7",
"name": "GND",
"type": "power_in",
"description": "Ground"
},
{
"number": "8",
"name": "INT1",
"type": "input",
"description": "Active-low interrupt input 1 from channel 1 slaves; pull-up resistor to VDPU1."
},
{
"number": "9",
"name": "SD1",
"type": "bidirectional",
"description": "Serial data 1 for channel 1 I2C bus; pull-up resistor to VDPU1."
},
{
"number": "10",
"name": "SC1",
"type": "bidirectional",
"description": "Serial clock 1 for channel 1 I2C bus; pull-up resistor to VDPU1."
},
{
"number": "11",
"name": "INT",
"type": "output",
"description": "Active-low interrupt output combining INT0 and INT1; pull-up resistor to VDPUM."
},
{
"number": "12",
"name": "SCL",
"type": "bidirectional",
"description": "Serial clock line for upstream I2C master; pull-up resistor to VDPUM."
},
{
"number": "13",
"name": "SDA",
"type": "bidirectional",
"description": "Serial data line for upstream I2C master; pull-up resistor to VDPUM."
},
{
"number": "14",
"name": "VCC",
"type": "power_in",
"description": "Supply power voltage with operating range 1.65 V to 5.5 V."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-4-5-20251001",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [],
"pages_sent": 7,
"cost_usd": 0.0817,
"at": "2026-10-03T06:12:35"
},
"datasheet": {
"url": "https://www.ti.com/lit/ds/symlink/tca9543a.pdf",
"pages": 34,
"sha256": "dfa2c184725031a8",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 14,
"described": 14,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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}