component
74LV595PW
Public Made by Adomby adom
Nexperia Shift Registers, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"package": "TSSOP-16",
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"category": "Logic",
"subcategory": "Shift Registers",
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"lcsc": "C455077",
"mouser": "771-74LV595PW"
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"pn": null,
"status": "no match"
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"pins": [
{
"number": "1",
"name": "Q1",
"type": "tri_state",
"description": "Parallel data output Q1 of the storage register; it goes to high impedance when OE is HIGH, and the parallel outputs are bus driver outputs rated up to 35 mA."
},
{
"number": "2",
"name": "Q2",
"type": "tri_state",
"description": "Parallel data output Q2 of the storage register; it goes to high impedance when OE is HIGH, and the parallel outputs are bus driver outputs rated up to 35 mA."
},
{
"number": "3",
"name": "Q3",
"type": "tri_state",
"description": "Parallel data output Q3 of the storage register; it goes to high impedance when OE is HIGH, and the parallel outputs are bus driver outputs rated up to 35 mA."
},
{
"number": "4",
"name": "Q4",
"type": "tri_state",
"description": "Parallel data output Q4 of the storage register; it goes to high impedance when OE is HIGH, and the parallel outputs are bus driver outputs rated up to 35 mA."
},
{
"number": "5",
"name": "Q5",
"type": "tri_state",
"description": "Parallel data output Q5 of the storage register; it goes to high impedance when OE is HIGH, and the parallel outputs are bus driver outputs rated up to 35 mA."
},
{
"number": "6",
"name": "Q6",
"type": "tri_state",
"description": "Parallel data output Q6 of the storage register; it goes to high impedance when OE is HIGH, and the parallel outputs are bus driver outputs rated up to 35 mA."
},
{
"number": "7",
"name": "Q7",
"type": "tri_state",
"description": "Parallel data output Q7 of the storage register; it goes to high impedance when OE is HIGH, and the parallel outputs are bus driver outputs rated up to 35 mA."
},
{
"number": "8",
"name": "GND",
"type": "power_in",
"description": "Ground reference (0 V); all voltages in the datasheet are referenced to this pin."
},
{
"number": "9",
"name": "Q7S",
"type": "output",
"description": "Serial data output from the end of the 8-stage shift register, used for cascading devices; it is a standard driver output rated up to 25 mA."
},
{
"number": "10",
"name": "MR",
"type": "input",
"description": "Master reset input, active LOW; a LOW resets the shift register only, and the register contents are not changed by OE."
},
{
"number": "11",
"name": "SHCP",
"type": "input",
"description": "Shift register clock input; data on DS is shifted into the shift register on each LOW-to-HIGH transition of SHCP."
},
{
"number": "12",
"name": "STCP",
"type": "input",
"description": "Storage register clock input; the shift register contents are transferred to the storage register on each LOW-to-HIGH transition of STCP."
},
{
"number": "13",
"name": "OE",
"type": "input",
"description": "Output enable input, active LOW; a HIGH forces Q0 to Q7 into the high-impedance OFF-state without changing the register contents."
},
{
"number": "14",
"name": "DS",
"type": "input",
"description": "Serial data input to the shift register; it is sampled on SHCP with the setup and hold times given in the dynamic characteristics."
},
{
"number": "15",
"name": "Q0",
"type": "tri_state",
"description": "Parallel data output Q0 of the storage register; it goes to high impedance when OE is HIGH, and the parallel outputs are bus driver outputs rated up to 35 mA."
},
{
"number": "16",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage; recommended operating range is 1.0 V to 3.6 V, with an absolute maximum of 4.6 V."
}
],
"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: Pin assignment for SOT403-1 (TSSOP16) is taken from Table 2 (Pin description) and cross-checked agai; Pin types are inferred from the datasheet function descriptions: Q0-Q7 are 3-state outputs per the f"
],
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"cost_usd": 0.0869,
"at": "2026-10-09T15:06:23"
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"pages": 17,
"sha256": "7c0b925cf003104e",
"source_tier": "lcsc"
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"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
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