component
CD74HCT4052M
Public Made by Adomby adom
Texas Instruments Analog Switches, Multiplexers, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"manufacturer": "Texas Instruments",
"package": "SOIC-16",
"pin_count": 16,
"category": "Interface",
"subcategory": "Analog Switches, Multiplexers",
"datasheet": "https://www.ti.com/cn/lit/gpn/cd74hct4051",
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"distributor_links": {
"lcsc": "C1546046",
"digikey": "296-26029-5-ND",
"mouser": "595-CD74HCT4052M"
},
"distributor_check": {
"checked_at": "2026-10-08T20:42:14Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-26029-5-ND",
"status": "found",
"lifecycle": "Obsolete"
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"mouser": {
"pn": "595-CD74HCT4052M",
"status": "found",
"lifecycle": "End of Life"
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},
"pins": [
{
"number": "1",
"name": "CH B0",
"type": "bidirectional",
"description": "Channel B0 analog input/output of the B switch bank, which passes analog signals between VEE and VCC when enabled."
},
{
"number": "2",
"name": "CH B2",
"type": "bidirectional",
"description": "Channel B2 analog input/output of the B switch bank, which passes analog signals between VEE and VCC when enabled."
},
{
"number": "3",
"name": "COM B",
"type": "bidirectional",
"description": "Common B analog output/input that connects to the selected B channel, with analog switch voltage limited to VEE to VCC."
},
{
"number": "4",
"name": "CH B3",
"type": "bidirectional",
"description": "Channel B3 analog input/output of the B switch bank, which passes analog signals between VEE and VCC when enabled."
},
{
"number": "5",
"name": "CH B1",
"type": "bidirectional",
"description": "Channel B1 analog input/output of the B switch bank, which passes analog signals between VEE and VCC when enabled."
},
{
"number": "6",
"name": "E",
"type": "input",
"description": "Active-low enable input; when driven high all switches are disabled to the off state, and control inputs must stay within 0 V to VCC."
},
{
"number": "7",
"name": "VEE",
"type": "power_in",
"description": "Negative power supply input; the datasheet specifies VEE from 0 V to -6 V and VCC - VEE from 2 V to 10 V."
},
{
"number": "8",
"name": "GND",
"type": "power_in",
"description": "Ground reference for all voltages; the datasheet states that all voltages are referenced to GND unless otherwise noted."
},
{
"number": "9",
"name": "S1",
"type": "input",
"description": "Channel select 1 control input, which together with S0 selects the active channel; logic levels are referenced to GND with VIH minimum 2 V and VIL maximum 0.8 V at 4.5 V to 5.5 V VCC."
},
{
"number": "10",
"name": "S0",
"type": "input",
"description": "Channel select 0 control input, which together with S1 selects the active channel; logic levels are referenced to GND with VIH minimum 2 V and VIL maximum 0.8 V at 4.5 V to 5.5 V VCC."
},
{
"number": "11",
"name": "CH A3",
"type": "bidirectional",
"description": "Channel A3 analog input/output of the A switch bank, which passes analog signals between VEE and VCC when enabled."
},
{
"number": "12",
"name": "CH A0",
"type": "bidirectional",
"description": "Channel A0 analog input/output of the A switch bank, which passes analog signals between VEE and VCC when enabled."
},
{
"number": "13",
"name": "COM A",
"type": "bidirectional",
"description": "Common A analog input/output that connects to the selected A channel, with analog switch voltage limited to VEE to VCC."
},
{
"number": "14",
"name": "CH A1",
"type": "bidirectional",
"description": "Channel A1 analog input/output of the A switch bank, which passes analog signals between VEE and VCC when enabled."
},
{
"number": "15",
"name": "CH A2",
"type": "bidirectional",
"description": "Channel A2 analog input/output of the A switch bank, which passes analog signals between VEE and VCC when enabled."
},
{
"number": "16",
"name": "VCC",
"type": "power_in",
"description": "Positive power supply input; the datasheet specifies VCC from 2 V to 6 V (HC) and 4.5 V to 5.5 V (HCT), with VCC - VEE up to 10 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's pinout covers the CD74HCT4052 in the D (SOIC, 16) package. Pin numbers are taken fro; Page 33 of the package addendum lists CD74HCT4052M as Obsolete. The active SOIC orderable is CD74HCT; Pin types for the channel and common pins are mapped from the datasheet's I/O label to KiCad bidirec"
],
"pages_sent": 22,
"cost_usd": 0.1298,
"at": "2026-10-08T20:41:48"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/cd74hct4051",
"pages": 50,
"sha256": "cc5bd993625a4388",
"source_tier": "lcsc"
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"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 16,
"described": 16,
"cites_pages": true,
"refuses_to_fabricate": true
}
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"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "SOIC-16",
"Category": "Interface",
"Pins": "16"
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"email": "[email protected]"
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