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Contents

README

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SN74AHCT00DBR

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

SN74AHCT00DBR 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 1A input Channel 1 NAND Input A; TTL-compatible CMOS input requiring VIH ≥ 2V, VIL ≤ 0.8V
2 1B input Channel 1 NAND Input B; TTL-compatible CMOS input requiring VIH ≥ 2V, VIL ≤ 0.8V
3 1Y output Channel 1 NAND Output Y; drives ±8mA with VOH ≥ 4.4V min or VOL ≤ 0.44V max; load capacitance ≤ 50pF recommended
4 2A input Channel 2 NAND Input A; TTL-compatible CMOS input requiring VIH ≥ 2V, VIL ≤ 0.8V
5 2B input Channel 2 NAND Input B; TTL-compatible CMOS input requiring VIH ≥ 2V, VIL ≤ 0.8V
6 2Y output Channel 2 NAND Output Y; drives ±8mA with VOH ≥ 4.4V min or VOL ≤ 0.44V max; load capacitance ≤ 50pF recommended
7 GND power_in Ground (0V reference); current return path
8 3Y output Channel 3 NAND Output Y; drives ±8mA with VOH ≥ 4.4V min or VOL ≤ 0.44V max; load capacitance ≤ 50pF recommended
9 3A input Channel 3 NAND Input A; TTL-compatible CMOS input requiring VIH ≥ 2V, VIL ≤ 0.8V
10 3B input Channel 3 NAND Input B; TTL-compatible CMOS input requiring VIH ≥ 2V, VIL ≤ 0.8V
11 4Y output Channel 4 NAND Output Y; drives ±8mA with VOH ≥ 4.4V min or VOL ≤ 0.44V max; load capacitance ≤ 50pF recommended
12 4A input Channel 4 NAND Input A; TTL-compatible CMOS input requiring VIH ≥ 2V, VIL ≤ 0.8V
13 4B input Channel 4 NAND Input B; TTL-compatible CMOS input requiring VIH ≥ 2V, VIL ≤ 0.8V
14 VCC power_in Positive supply voltage 4.5V to 5.5V; bypass capacitor to GND recommended close to pin

Key specifications

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

CAD (KiCad official)

  • Symbol: SN74AHCT00DBR
  • Footprint: Package_SO:SSOP-14_5.3x6.2mm_P0.65mm
  • 3D model: SSOP-14-208mil (KiCad packages3D, STEP)
  • 3D model files: sn74ahct00dbr-etched.step / sn74ahct00dbr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74ahct00dbr.step / sn74ahct00dbr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (43 pp, sha256 f8260ae34dd0c6d7, 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