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SN74AHCT08DR

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Texas Instruments Gates, SOIC-14. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

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Contents

README

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SN74AHCT08DR

Texas Instruments · Gates · SOIC-14

SN74AHCT08DR from Texas Instruments, in a SOIC-14. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 1A input Gate 1 input A. TTL-compatible logic input (VIH ≥ 2 V, VIL ≤ 0.8 V). Input current ±1 µA max.
2 1B input Gate 1 input B. TTL-compatible logic input (VIH ≥ 2 V, VIL ≤ 0.8 V). Input current ±1 µA max.
3 1Y output Gate 1 output Y = 1A · 1B. CMOS totem-pole output; IOH = -8 mA, IOL = 8 mA at VCC = 4.5 V.
4 2A input Gate 2 input A. TTL-compatible logic input (VIH ≥ 2 V, VIL ≤ 0.8 V).
5 2B input Gate 2 input B. TTL-compatible logic input (VIH ≥ 2 V, VIL ≤ 0.8 V).
6 2Y output Gate 2 output Y = 2A · 2B. CMOS totem-pole output; IOH = -8 mA, IOL = 8 mA.
7 GND power_in Ground reference pin (0 V).
8 3Y output Gate 3 output Y = 3A · 3B. CMOS totem-pole output; IOH = -8 mA, IOL = 8 mA.
9 3A input Gate 3 input A. TTL-compatible logic input (VIH ≥ 2 V, VIL ≤ 0.8 V).
10 3B input Gate 3 input B. TTL-compatible logic input (VIH ≥ 2 V, VIL ≤ 0.8 V).
11 4Y output Gate 4 output Y = 4A · 4B. CMOS totem-pole output; IOH = -8 mA, IOL = 8 mA.
12 4A input Gate 4 input A. TTL-compatible logic input (VIH ≥ 2 V, VIL ≤ 0.8 V).
13 4B input Gate 4 input B. TTL-compatible logic input (VIH ≥ 2 V, VIL ≤ 0.8 V).
14 VCC power_in Positive supply voltage. Recommended operating range 4.5 V to 5.5 V; absolute maximum 7 V. Decouple with 0.1 µF to GND close to the pin.

Key specifications

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

Ordering variants

Same part, different packaging or reel option.

  • SN74AHCT08DRD
  • SN74AHCT08DR
  • SN74AHCT08DRDB
  • SN74AHCT08DRNS
  • SN74AHCT08DRPW
  • SN74AHCT08DRRGY
  • SN74AHCT08DRJ
  • SN74AHCT08DRW
  • SN74AHCT08DRDGV
  • SN74AHCT08DRN
  • SN74AHCT08DRFK
  • SN74AHCT08DRBQA

CAD (KiCad official)

  • Symbol: SN74AHCT08DR
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOIC-14 (KiCad packages3D, STEP)
  • 3D model files: sn74ahct08dr-etched.step / sn74ahct08dr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74ahct08dr.step / sn74ahct08dr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (41 pp, sha256 2b754c2e6411fd64, retrieved 2026-08-17, tier: manufacturer)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF