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Contents

README

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SN74AHCT174DR

Texas Instruments · Flip Flops · SOP-16

SN74AHCT174DR from Texas Instruments, in a SOP-16. 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 CLR input Clear all channels, active low
2 1Q output Channel 1, Q output
3 1D input Channel 1, D input
4 2D input Channel 2, D input
5 2Q output Channel 2, Q output
6 3D input Channel 3, D input
7 3Q output Channel 3, Q output
8 GND power_in Ground
9 CLK input Clock all channels, rising edge triggered
10 4Q output Channel 4, Q output
11 4D input Channel 4, D input
12 5Q output Channel 5, Q output
13 5D input Channel 5, D input
14 6D input Channel 6, D input
15 6Q output Channel 6, Q output
16 VCC power_in Positive supply

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOP-16
Category Logic
Pins 16

CAD (KiCad official)

  • Symbol: SN74AHCT174DR
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOP-16 (KiCad packages3D, STEP)
  • 3D model files: sn74ahct174dr-etched.step / sn74ahct174dr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74ahct174dr.step / sn74ahct174dr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (28 pp, sha256 39d779be66b487a2, retrieved 2026-09-27, tier: manufacturer)
  • 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