Loads on click. Unloads when scrolled away or the tab is hidden.

Symbol & Footprint

Schematic Symbol

Open full view ↗
Loads on click. Unloads when scrolled away or the tab is hidden.

PCB Footprint

Open full view ↗
Loads on click. Unloads when scrolled away or the tab is hidden.
Loads on click. Unloads when scrolled away or the tab is hidden.
Download PDF
Contents

README

markdown

SN74AHC08DR

Texas Instruments · Gates · SOIC-14

SN74AHC08DR 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. CMOS logic input, VIH min 3.85 V at VCC = 5.5 V, VIL max 1.65 V at VCC = 5.5 V. Input current ±0.1 µA typ.
2 1B input Gate 1 input B. CMOS logic input paired with 1A to produce output 1Y = 1A · 1B.
3 1Y output Gate 1 output. Push-pull CMOS output, IOH/IOL = ±8 mA at VCC = 5 V ± 0.5 V. Y = 1A · 1B.
4 2A input Gate 2 input A. CMOS logic input.
5 2B input Gate 2 input B. CMOS logic input paired with 2A.
6 2Y output Gate 2 output. Y = 2A · 2B. Push-pull CMOS output.
7 GND power_in Ground reference (0 V) for the device.
8 3Y output Gate 3 output. Y = 3A · 3B. Push-pull CMOS output.
9 3A input Gate 3 input A. CMOS logic input.
10 3B input Gate 3 input B. CMOS logic input paired with 3A.
11 4Y output Gate 4 output. Y = 4A · 4B. Push-pull CMOS output.
12 4A input Gate 4 input A. CMOS logic input.
13 4B input Gate 4 input B. CMOS logic input paired with 4A.
14 VCC power_in Positive supply pin. Recommended operating range 2 V to 5.5 V; absolute maximum 7 V. Bypass with a local decoupling capacitor to GND.

Key specifications

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

Ordering variants

Same part, different packaging or reel option.

  • SN74AHC08DRD
  • SN74AHC08DR
  • SN74AHC08DRDB
  • SN74AHC08DRDBR
  • SN74AHC08DRDGV
  • SN74AHC08DRDGVR
  • SN74AHC08DRN
  • SN74AHC08DRNS
  • SN74AHC08DRNSR
  • SN74AHC08DRPW
  • SN74AHC08DRPWR
  • SN74AHC08DRRGY
  • SN74AHC08DRRGYR
  • SN74AHC08DRBQA
  • SN74AHC08DRBQAR
  • SN74AHC08DRFK

CAD (KiCad official)

  • Symbol: SN74AHC08DR
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOIC-14 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: Texas Instruments datasheet (42 pp, sha256 7d0684a2780b050c, 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