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SN74HC157PWR

Public Made by Adom

by adom

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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3D Model

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Symbol & Footprint

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Datasheet

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Contents

README

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SN74HC157PWR

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

SN74HC157PWR 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 Address select input controlling which data input (A or B) is selected
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
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 Strobe input; forces all Y outputs low when high
16 VCC power_in Positive supply voltage

Key specifications

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

CAD (KiCad official)

  • Symbol: SN74HC157PWR
  • Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
  • 3D model: TSSOP-16 (KiCad packages3D, STEP)
  • 3D model files: sn74hc157pwr-etched.step / sn74hc157pwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74hc157pwr.step / sn74hc157pwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (37 pp, sha256 327a0b142ce59169, retrieved 2026-09-25, 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