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Contents

README

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SN74LV157APWR

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

SN74LV157APWR 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 that routes either the A or B channel input to the output based on its logic level.
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, negative supply 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 (enable) input, active low; forces all outputs low when high.
16 VCC power_in Positive supply voltage, 2 V to 5.5 V.

Key specifications

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

CAD (KiCad official)

  • Symbol: SN74LV157APWR
  • Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
  • 3D model: TSSOP-16 (KiCad packages3D, STEP)
  • 3D model files: sn74lv157apwr-etched.step / sn74lv157apwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74lv157apwr.step / sn74lv157apwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (28 pp, sha256 a2011f2d99dd06d2, retrieved 2026-10-05, 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