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SN74LVC157AQPWRQ1

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

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Symbol & Footprint

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Datasheet

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Contents

README

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SN74LVC157AQPWRQ1

Texas Instruments · Signal Switches, Multiplexers, Decoders · TSSOP-16

SN74LVC157AQPWRQ1 from Texas Instruments, in a TSSOP-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 A/B input Channel select input that determines whether input A or B is routed to each output.
2 1A input Channel 1 data input A.
3 1B input Channel 1 data input B.
4 1Y output Channel 1 data output.
5 2A input Channel 2 data input A.
6 2B input Channel 2 data input B.
7 2Y output Channel 2 data output.
8 GND power_in Ground reference.
9 3Y output Channel 3 data output.
10 3B input Channel 3 data input B.
11 3A input Channel 3 data input A.
12 4Y output Channel 4 data output.
13 4B input Channel 4 data input B.
14 4A input Channel 4 data input A.
15 G input Output strobe input, active low; all outputs are forced low when G is high.
16 VCC power_in Positive supply voltage; recommended operating range 2V to 3.6V per section 4.3.

Key specifications

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

CAD (KiCad official)

  • Symbol: SN74LVC157AQPWRQ1
  • Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
  • 3D model: TSSOP-16 (KiCad packages3D, STEP)
  • 3D model files: sn74lvc157aqpwrq1-etched.step / sn74lvc157aqpwrq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74lvc157aqpwrq1.step / sn74lvc157aqpwrq1.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (22 pp, sha256 b34a653deb37ac29, retrieved 2026-09-27, 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 0.2, 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