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Contents

README

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SN74AHC02DBR

Texas Instruments · Logic Gates · SSOP-14-208mil

SN74AHC02DBR from Texas Instruments, in a SSOP-14-208mil. 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 Output of NOR gate formed by inputs 1A and 1B; VOH min 3.8V at VCC=4.5V, VOL max 0.5V, output current ±8mA at VCC=5V.
2 1A input Input A of first NOR gate; accepts 0-5.5V with VIH min 3.85V and VIL max 1.65V at VCC=5.5V.
3 1B input Input B of first NOR gate; accepts 0-5.5V with VIH min 3.85V and VIL max 1.65V at VCC=5.5V.
4 2Y output Output of NOR gate formed by inputs 2A and 2B; VOH min 3.8V at VCC=4.5V, VOL max 0.5V, output current ±8mA at VCC=5V.
5 2A input Input A of second NOR gate; accepts 0-5.5V with VIH min 3.85V and VIL max 1.65V at VCC=5.5V.
6 2B input Input B of second NOR gate; accepts 0-5.5V with VIH min 3.85V and VIL max 1.65V at VCC=5.5V.
7 GND power_in Ground reference pin for the device.
8 3A input Input A of third NOR gate; accepts 0-5.5V with VIH min 3.85V and VIL max 1.65V at VCC=5.5V.
9 3B input Input B of third NOR gate; accepts 0-5.5V with VIH min 3.85V and VIL max 1.65V at VCC=5.5V.
10 3Y output Output of NOR gate formed by inputs 3A and 3B; VOH min 3.8V at VCC=4.5V, VOL max 0.5V, output current ±8mA at VCC=5V.
11 4A input Input A of fourth NOR gate; accepts 0-5.5V with VIH min 3.85V and VIL max 1.65V at VCC=5.5V.
12 4B input Input B of fourth NOR gate; accepts 0-5.5V with VIH min 3.85V and VIL max 1.65V at VCC=5.5V.
13 4Y output Output of NOR gate formed by inputs 4A and 4B; VOH min 3.8V at VCC=4.5V, VOL max 0.5V, output current ±8mA at VCC=5V.
14 VCC power_in Positive power supply pin; operating range 2V to 5.5V, quiescent supply current 20µA max.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SSOP-14-208mil
Category Logic
Pins 14

CAD (KiCad official)

  • Symbol: SN74AHC02DBR
  • Footprint: Package_SO:SSOP-14_5.3x6.2mm_P0.65mm
  • 3D model: SSOP-14-208mil (KiCad packages3D, STEP)
  • 3D model files: sn74ahc02dbr-etched.step / sn74ahc02dbr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74ahc02dbr.step / sn74ahc02dbr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (40 pp, sha256 df11702ef83bf008, retrieved 2026-09-27, 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 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (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