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Contents

README

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SN74CB3Q3125PWR

Texas Instruments · Signal Switches, Multiplexers, Decoders · TSSOP-14

SN74CB3Q3125PWR from Texas Instruments, in a TSSOP-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 Output Enable (active low) control input for bus switch channel 1.
2 1A bidirectional Channel 1A data I/O port with bidirectional switching capability.
3 1B bidirectional Channel 1B data I/O port with bidirectional switching capability.
4 2OE input Output Enable (active low) control input for bus switch channel 2.
5 2A bidirectional Channel 2A data I/O port with bidirectional switching capability.
6 2B bidirectional Channel 2B data I/O port with bidirectional switching capability.
7 GND power_in Ground connection for power supply return.
8 3B bidirectional Channel 3B data I/O port with bidirectional switching capability.
9 3A bidirectional Channel 3A data I/O port with bidirectional switching capability.
10 3OE input Output Enable (active low) control input for bus switch channel 3.
11 4B bidirectional Channel 4B data I/O port with bidirectional switching capability.
12 4A bidirectional Channel 4A data I/O port with bidirectional switching capability.
13 4OE input Output Enable (active low) control input for bus switch channel 4.
14 VCC power_in Power supply input; operates from 2.3V to 3.6V.

Key specifications

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

CAD (KiCad official)

  • Symbol: SN74CB3Q3125PWR
  • Footprint: Package_SO:TSSOP-14_4.4x5mm_P0.65mm
  • 3D model: TSSOP-14 (KiCad packages3D, STEP)
  • 3D model files: sn74cb3q3125pwr-etched.step / sn74cb3q3125pwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74cb3q3125pwr.step / sn74cb3q3125pwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (27 pp, sha256 027d5a7dfd186f34, 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