component
74HC4851BQ-Q100
Public Made by Adomby adom
Nexperia Analog Switches, Multiplexers, DHVQFN-16-EP(2.5x3.5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "74hc4851bq-q100",
"version": "0.1.0",
"type": "component",
"description": "Nexperia Analog Switches, Multiplexers, DHVQFN-16-EP(2.5x3.5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"interface",
"74hc4851bq-q100",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
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"component": {
"mpn": "74HC4851BQ-Q100",
"manufacturer": "Nexperia",
"package": "DHVQFN-16-EP(2.5x3.5)",
"pin_count": 17,
"category": "Interface",
"subcategory": "Analog Switches, Multiplexers",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588914449281794048",
"parts": {
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"lbr": "74hc4851bq-q100.lbr"
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"distributor_links": {
"lcsc": "C547079"
},
"distributor_check": {
"checked_at": "2026-10-09T15:29:52Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "Y4",
"type": "bidirectional",
"description": "Independent analog input/output channel 4, ON (low impedance to Z) only when E is LOW and S2, S1, S0 = H, L, L; high-impedance OFF when E is HIGH; switch voltage must stay between 0 V and VCC (absolute limit VCC + 0.5 V)."
},
{
"number": "2",
"name": "Y6",
"type": "bidirectional",
"description": "Independent analog input/output channel 6, ON only when E is LOW and S2, S1, S0 = H, H, L; high-impedance OFF when E is HIGH; switch voltage must stay between 0 V and VCC."
},
{
"number": "3",
"name": "Z",
"type": "bidirectional",
"description": "Common analog input/output that connects to the selected Yn channel when E is LOW; switch voltage must stay between 0 V and VCC."
},
{
"number": "4",
"name": "Y7",
"type": "bidirectional",
"description": "Independent analog input/output channel 7, ON only when E is LOW and S2, S1, S0 = H, H, H; high-impedance OFF when E is HIGH; switch voltage must stay between 0 V and VCC."
},
{
"number": "5",
"name": "Y5",
"type": "bidirectional",
"description": "Independent analog input/output channel 5, ON only when E is LOW and S2, S1, S0 = H, L, H; high-impedance OFF when E is HIGH; switch voltage must stay between 0 V and VCC."
},
{
"number": "6",
"name": "E",
"type": "input",
"description": "Enable input, active LOW: LOW selects one channel per S2 to S0, HIGH puts all switches in the high-impedance OFF-state; input voltage must be between 0 V and VCC."
},
{
"number": "7",
"name": "n.c.",
"type": "unconnected",
"description": "Not connected."
},
{
"number": "8",
"name": "GND",
"type": "power_in",
"description": "Ground (0 V) reference for all voltages in the datasheet."
},
{
"number": "9",
"name": "S2",
"type": "input",
"description": "Select input, most significant bit of the channel select code (S2, S1, S0); input voltage must be between 0 V and VCC."
},
{
"number": "10",
"name": "S1",
"type": "input",
"description": "Select input, middle bit of the channel select code (S2, S1, S0); input voltage must be between 0 V and VCC."
},
{
"number": "11",
"name": "S0",
"type": "input",
"description": "Select input, least significant bit of the channel select code (S2, S1, S0); input voltage must be between 0 V and VCC."
},
{
"number": "12",
"name": "Y3",
"type": "bidirectional",
"description": "Independent analog input/output channel 3, ON only when E is LOW and S2, S1, S0 = L, H, H; high-impedance OFF when E is HIGH; switch voltage must stay between 0 V and VCC."
},
{
"number": "13",
"name": "Y0",
"type": "bidirectional",
"description": "Independent analog input/output channel 0, ON only when E is LOW and S2, S1, S0 = L, L, L; high-impedance OFF when E is HIGH; switch voltage must stay between 0 V and VCC."
},
{
"number": "14",
"name": "Y1",
"type": "bidirectional",
"description": "Independent analog input/output channel 1, ON only when E is LOW and S2, S1, S0 = L, L, H; high-impedance OFF when E is HIGH; switch voltage must stay between 0 V and VCC."
},
{
"number": "15",
"name": "Y2",
"type": "bidirectional",
"description": "Independent analog input/output channel 2, ON only when E is LOW and S2, S1, S0 = L, H, L; high-impedance OFF when E is HIGH; switch voltage must stay between 0 V and VCC."
},
{
"number": "16",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage: 2.0 V to 6.0 V recommended for 74HC4851-Q100 (4.5 V to 5.5 V for 74HCT4851-Q100), absolute maximum 7.0 V."
},
{
"number": "17",
"name": "EP",
"type": "passive",
"description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
}
],
"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 DHVQFN16 package has an exposed centre thermal pad labelled GND(1) in the pinning drawing. It is; Pin numbers come from Table 2 (Pin description, page 4), which the datasheet gives for all packages.",
"exposed pad 17 added from the footprint"
],
"pages_sent": 19,
"cost_usd": 0.1008,
"at": "2026-10-09T15:26:35"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588914449281794048",
"pages": 19,
"sha256": "0b621ccffb78d38f",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 17,
"described": 17,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
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"zmin_mm": 0.0,
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"footprint_binding": "identity",
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"checked": "2026-10-09",
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{
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}