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SN74HCS125QDRQ1

Public Made by Adom

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Texas Instruments Buffers, Drivers, Receivers, Transceivers, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SN74HCS125QDRQ1

Texas Instruments · Buffers, Drivers, Receivers, Transceivers · SOIC-14

SN74HCS125QDRQ1 from Texas Instruments, in a SOIC-14. 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 1OE input Channel 1 output enable input, active low, which controls output 1Y.
2 1A input Channel 1 data input A, which is buffered to output 1Y.
3 1Y tri_state Channel 1 three-state buffer output Y.
4 2OE input Channel 2 output enable input, active low, which controls output 2Y.
5 2A input Channel 2 data input A, which is buffered to output 2Y.
6 2Y tri_state Channel 2 three-state buffer output Y.
7 GND power_in Ground reference pin.
8 3Y tri_state Channel 3 three-state buffer output Y.
9 3A input Channel 3 data input A, which is buffered to output 3Y.
10 3OE input Channel 3 output enable input, active low, which controls output 3Y.
11 4Y tri_state Channel 4 three-state buffer output Y.
12 4A input Channel 4 data input A, which is buffered to output 4Y.
13 4OE input Channel 4 output enable input, active low, which controls output 4Y.
14 VCC power_in Positive supply pin.

Key specifications

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

CAD (KiCad official)

  • Symbol: SN74HCS125QDRQ1
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOIC-14 (KiCad packages3D, STEP)
  • 3D model files: sn74hcs125qdrq1-etched.step / sn74hcs125qdrq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74hcs125qdrq1.step / sn74hcs125qdrq1.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (34 pp, sha256 099a7773ab7ec2ae, retrieved 2026-10-08, 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 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (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