component
74HC4051DRG
Public Made by Adomby adom
HANSCHIP semiconductor Analog Switches, Multiplexers, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"component": {
"mpn": "74HC4051DRG",
"manufacturer": "HANSCHIP semiconductor",
"package": "SOP-16",
"pin_count": 16,
"category": "Interface",
"subcategory": "Analog Switches, Multiplexers",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586209293645320192",
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"checked_at": "2026-10-09T17:54:54Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
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"status": "no match"
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},
"pins": [
{
"number": "1",
"name": "Y4",
"type": "passive",
"description": "Independent analog input/output channel 4 of the 8-channel switch, which connects to common Z when selected by A0-A2 with E low; analog levels are limited to between VEE and VDD."
},
{
"number": "2",
"name": "Y6",
"type": "passive",
"description": "Independent analog input/output channel 6 of the 8-channel switch, which connects to common Z when selected by A0-A2 with E low; analog levels are limited to between VEE and VDD."
},
{
"number": "3",
"name": "Z",
"type": "passive",
"description": "Common analog input/output that connects to whichever Y channel is selected; it may swing between VEE and VDD and switch current is rated at ±10 mA."
},
{
"number": "4",
"name": "Y7",
"type": "passive",
"description": "Independent analog input/output channel 7 of the 8-channel switch, which connects to common Z when selected by A0-A2 with E low; analog levels are limited to between VEE and VDD."
},
{
"number": "5",
"name": "Y5",
"type": "passive",
"description": "Independent analog input/output channel 5 of the 8-channel switch, which connects to common Z when selected by A0-A2 with E low; analog levels are limited to between VEE and VDD."
},
{
"number": "6",
"name": "E",
"type": "input",
"description": "Active-low enable input (shown with an overbar in the datasheet); when high, A0-A2 are ignored and all switches are off (high impedance), and the datasheet notes that the enable must be used to change switch states."
},
{
"number": "7",
"name": "VEE",
"type": "power_in",
"description": "Negative supply voltage; recommended range is -6.0 V to 0 V, and it is tied to VSS when the device is used as a digital multiplexer, with VDD-VEE not to exceed 9 V."
},
{
"number": "8",
"name": "VSS",
"type": "power_in",
"description": "Ground reference for the digital control inputs A0-A2 and E, tied to VEE when used as a digital multiplexer (usually grounded)."
},
{
"number": "9",
"name": "A2",
"type": "input",
"description": "Channel select address input (most significant bit) that chooses one of Y0-Y7 when E is low; input range is 0 V to VDD."
},
{
"number": "10",
"name": "A1",
"type": "input",
"description": "Channel select address input (middle bit) that chooses one of Y0-Y7 when E is low; input range is 0 V to VDD."
},
{
"number": "11",
"name": "A0",
"type": "input",
"description": "Channel select address input (least significant bit) that chooses one of Y0-Y7 when E is low; input range is 0 V to VDD."
},
{
"number": "12",
"name": "Y3",
"type": "passive",
"description": "Independent analog input/output channel 3 of the 8-channel switch, which connects to common Z when selected by A0-A2 with E low; analog levels are limited to between VEE and VDD."
},
{
"number": "13",
"name": "Y0",
"type": "passive",
"description": "Independent analog input/output channel 0 of the 8-channel switch, which connects to common Z when selected by A0-A2 with E low; analog levels are limited to between VEE and VDD."
},
{
"number": "14",
"name": "Y1",
"type": "passive",
"description": "Independent analog input/output channel 1 of the 8-channel switch, which connects to common Z when selected by A0-A2 with E low; analog levels are limited to between VEE and VDD."
},
{
"number": "15",
"name": "Y2",
"type": "passive",
"description": "Independent analog input/output channel 2 of the 8-channel switch, which connects to common Z when selected by A0-A2 with E low; analog levels are limited to between VEE and VDD."
},
{
"number": "16",
"name": "VDD",
"type": "power_in",
"description": "Positive supply voltage; the datasheet gives VDD-VSS of 3 V to 9 V in recommended conditions and an absolute maximum of -0.5 V to +12 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 pin table on page 4 is in Chinese and the pin diagram is image-only, so physical pin orientation; The enable pin's overbar was lost in text extraction (rendered as a garbled character), so it is nam; The recommended VEE range is printed as '-6.0 0 V' with the typical value missing; the minimum (-6.0"
],
"pages_sent": 15,
"cost_usd": 0.0573,
"at": "2026-10-09T17:50:23"
},
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"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586209293645320192",
"pages": 15,
"sha256": "7296e952966e174f",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 16,
"described": 16,
"cites_pages": true,
"refuses_to_fabricate": true
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