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SN74CB3T3253DBQR

Public Made by Adom

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Texas Instruments Signal Switches, Multiplexers, Decoders, SSOP-16-150mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SN74CB3T3253DBQR

Texas Instruments · Signal Switches, Multiplexers, Decoders · SSOP-16-150mil

SN74CB3T3253DBQR from Texas Instruments, in a SSOP-16-150mil. 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 1 input, active low, 5V tolerant
2 S1 input Select input bit 1 for 4-to-1 channel 1 multiplexer
3 1B4 bidirectional Bidirectional I/O port 4 for channel 1, supports 0V to 5.5V
4 1B3 bidirectional Bidirectional I/O port 3 for channel 1, supports 0V to 5.5V
5 1B2 bidirectional Bidirectional I/O port 2 for channel 1, supports 0V to 5.5V
6 1B1 bidirectional Bidirectional I/O port 1 for channel 1, supports 0V to 5.5V
7 1A bidirectional Common bidirectional I/O port for channel 1, supports 0V to 5.5V
8 GND power_in Ground connection, 0V reference
9 2A bidirectional Common bidirectional I/O port for channel 2, supports 0V to 5.5V
10 2B1 bidirectional Bidirectional I/O port 1 for channel 2, supports 0V to 5.5V
11 2B2 bidirectional Bidirectional I/O port 2 for channel 2, supports 0V to 5.5V
12 2B3 bidirectional Bidirectional I/O port 3 for channel 2, supports 0V to 5.5V
13 2B4 bidirectional Bidirectional I/O port 4 for channel 2, supports 0V to 5.5V
14 S0 input Select input bit 0 for 4-to-1 channel 2 multiplexer
15 2OE input Output Enable 2 input, active low, 5V tolerant
16 VCC power_in Power supply, 2.3V to 3.6V recommended operating range

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SSOP-16-150mil
Category Logic
Pins 16

CAD (KiCad official)

  • Symbol: SN74CB3T3253DBQR
  • Footprint: Package_SO:SSOP-16_5.3x6.2mm_P0.65mm
  • 3D model: SSOP-16-150mil (KiCad packages3D, STEP)
  • 3D model files: sn74cb3t3253dbqr-etched.step / sn74cb3t3253dbqr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74cb3t3253dbqr.step / sn74cb3t3253dbqr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (31 pp, sha256 cc676cd28cb211ac, retrieved 2026-10-06, 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-4-5-20251001 (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