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SN74HCS157QPWRQ1

Public Made by Adom

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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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SN74HCS157QPWRQ1

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

SN74HCS157QPWRQ1 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 for multiplexer channel selection.
2 1A input Channel 1, data input A.
3 1B input Channel 1, data input B.
4 1Y input Channel 1, data output.
5 2A output Channel 2, data input A.
6 2B output Channel 2, data input B.
7 2Y input Channel 2, data output.
8 GND power_in Ground.
9 3Y input Channel 3, data output.
10 3B input Channel 3, data input B.
11 3A input Channel 3, data input A.
12 4Y input 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), active low.
16 VCC power_in Positive supply voltage, 2V to 6V.

Key specifications

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

CAD (KiCad official)

  • Symbol: SN74HCS157QPWRQ1
  • Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
  • 3D model: TSSOP-16 (KiCad packages3D, STEP)
  • 3D model files: sn74hcs157qpwrq1-etched.step / sn74hcs157qpwrq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74hcs157qpwrq1.step / sn74hcs157qpwrq1.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (31 pp, sha256 7707d6320d4a080b, 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