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SN74AHC157PWR

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

Schematic Symbol

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PCB Footprint

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Datasheet

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Contents

README

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SN74AHC157PWR

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

SN74AHC157PWR 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.
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 Output strobe, active low.
16 VCC power_in Positive supply.

Key specifications

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

CAD (KiCad official)

  • Symbol: SN74AHC157PWR
  • Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
  • 3D model: TSSOP-16 (KiCad packages3D, STEP)
  • 3D model files: sn74ahc157pwr-etched.step / sn74ahc157pwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74ahc157pwr.step / sn74ahc157pwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (38 pp, sha256 251d3050d46194ca, retrieved 2026-10-01, tier: manufacturer)
  • 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