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SN74HC02QDRQ1

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Texas Instruments Logic Gates, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SN74HC02QDRQ1

Texas Instruments · Logic Gates · SOIC-14

SN74HC02QDRQ1 from Texas Instruments, in a SOIC-14. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 1Y output NOR output Y of gate 1 (Y = 1A NOR 1B), voltage 0 to VCC.
2 1A input Input A of NOR gate 1, voltage 0 to VCC, input capacitance 3-10 pF.
3 1B input Input B of NOR gate 1, voltage 0 to VCC, input capacitance 3-10 pF.
4 2Y output NOR output Y of gate 2 (Y = 2A NOR 2B), voltage 0 to VCC.
5 2A input Input A of NOR gate 2, voltage 0 to VCC, input capacitance 3-10 pF.
6 2B input Input B of NOR gate 2, voltage 0 to VCC, input capacitance 3-10 pF.
7 GND power_in Ground, negative supply reference.
8 3A input Input A of NOR gate 3, voltage 0 to VCC, input capacitance 3-10 pF.
9 3B input Input B of NOR gate 3, voltage 0 to VCC, input capacitance 3-10 pF.
10 3Y output NOR output Y of gate 3 (Y = 3A NOR 3B), voltage 0 to VCC.
11 4A input Input A of NOR gate 4, voltage 0 to VCC, input capacitance 3-10 pF.
12 4B input Input B of NOR gate 4, voltage 0 to VCC, input capacitance 3-10 pF.
13 4Y output NOR output Y of gate 4 (Y = 4A NOR 4B), voltage 0 to VCC.
14 VCC power_in Positive supply voltage, operating range 2V to 6V.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-14
Category Logic
Pins 14

CAD (KiCad official)

  • Symbol: SN74HC02QDRQ1
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOIC-14 (KiCad packages3D, STEP)
  • 3D model files: sn74hc02qdrq1-etched.step / sn74hc02qdrq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74hc02qdrq1.step / sn74hc02qdrq1.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (23 pp, sha256 c58353d834857b68, retrieved 2026-10-05, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF