component
74HC595BQ-Q100
Public Made by Adomby adom
Nexperia Shift Registers, DHVQFN-16-EP(2.5x3.5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"component": {
"mpn": "74HC595BQ-Q100",
"manufacturer": "Nexperia",
"package": "DHVQFN-16-EP(2.5x3.5)",
"pin_count": 17,
"category": "Logic",
"subcategory": "Shift Registers",
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"distributor_links": {
"lcsc": "C547123"
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"distributor_check": {
"checked_at": "2026-10-18T14:36:17Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
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"mouser": {
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"pins": [
{
"number": "1",
"name": "Q1",
"type": "tri_state",
"description": "Parallel data output Q1 of the 8-bit storage register; it goes high-impedance when OE is HIGH, and the Qn output current is limited to ±35 mA."
},
{
"number": "2",
"name": "Q2",
"type": "tri_state",
"description": "Parallel data output Q2 of the 8-bit storage register; it goes high-impedance when OE is HIGH, and the Qn output current is limited to ±35 mA."
},
{
"number": "3",
"name": "Q3",
"type": "tri_state",
"description": "Parallel data output Q3 of the 8-bit storage register; it goes high-impedance when OE is HIGH, and the Qn output current is limited to ±35 mA."
},
{
"number": "4",
"name": "Q4",
"type": "tri_state",
"description": "Parallel data output Q4 of the 8-bit storage register; it goes high-impedance when OE is HIGH, and the Qn output current is limited to ±35 mA."
},
{
"number": "5",
"name": "Q5",
"type": "tri_state",
"description": "Parallel data output Q5 of the 8-bit storage register; it goes high-impedance when OE is HIGH, and the Qn output current is limited to ±35 mA."
},
{
"number": "6",
"name": "Q6",
"type": "tri_state",
"description": "Parallel data output Q6 of the 8-bit storage register; it goes high-impedance when OE is HIGH, and the Qn output current is limited to ±35 mA."
},
{
"number": "7",
"name": "Q7",
"type": "tri_state",
"description": "Parallel data output Q7 of the 8-bit storage register; it goes high-impedance when OE is HIGH, and the Qn output current is limited to ±35 mA."
},
{
"number": "8",
"name": "GND",
"type": "power_in",
"description": "Ground reference (0 V) for all voltages referenced in the datasheet."
},
{
"number": "9",
"name": "Q7S",
"type": "output",
"description": "Serial data output from the 8-stage shift register, used to cascade devices; output current is limited to ±25 mA."
},
{
"number": "10",
"name": "MR",
"type": "input",
"description": "Asynchronous master reset, active LOW; a LOW level resets the shift register only and does not affect the storage register."
},
{
"number": "11",
"name": "SHCP",
"type": "input",
"description": "Shift register clock input; data is shifted into the shift register on each LOW-to-HIGH transition."
},
{
"number": "12",
"name": "STCP",
"type": "input",
"description": "Storage register clock input; shift register contents are transferred to the storage register on a LOW-to-HIGH transition."
},
{
"number": "13",
"name": "OE",
"type": "input",
"description": "Output enable, active LOW; a HIGH level forces the Qn outputs into the high-impedance OFF-state without changing the register contents."
},
{
"number": "14",
"name": "DS",
"type": "input",
"description": "Serial data input to the 8-stage shift register; inputs include clamp diodes so inputs can exceed VCC through a current-limiting resistor."
},
{
"number": "15",
"name": "Q0",
"type": "tri_state",
"description": "Parallel data output Q0 of the 8-bit storage register; it goes high-impedance when OE is HIGH, and the Qn output current is limited to ±35 mA."
},
{
"number": "16",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage; recommended operating range is 2.0 V to 6.0 V for 74HC595-Q100 and absolute maximum is -0.5 V to +7 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",
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"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 package hint says DHVQFN-16-EP, but the datasheet does not describe or number an exposed thermal; Pin 15 and the name Q0 are both printed in the pin description table. The name is Q0 on pin 15, not ",
"exposed pad 17 added from the footprint"
],
"pages_sent": 19,
"cost_usd": 0.0976,
"at": "2026-10-18T14:32:16"
},
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"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588914516822536192",
"pages": 19,
"sha256": "ccdb88dc8760d451",
"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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