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Contents

README

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SN74LV157ADBR

Texas Instruments · Signal Switches, Multiplexers, Decoders · SSOP-16-208mil

SN74LV157ADBR from Texas Instruments, in a SSOP-16-208mil. 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 chooses which data source (A or B) is routed to the Y outputs, per the function table in Section 8.3.
2 1A input Channel 1 data input A is one of the two sources selected onto output 1Y.
3 1B input Channel 1 data input B is one of the two sources selected onto output 1Y.
4 1Y output Channel 1 data output presents the selected input data (true data, per Section 8.1).
5 2A input Channel 2 data input A is one of the two sources selected onto output 2Y.
6 2B input Channel 2 data input B is one of the two sources selected onto output 2Y.
7 2Y output Channel 2 data output presents the selected input data (true data, per Section 8.1).
8 GND power_in Ground reference for the device.
9 3Y output Channel 3 data output presents the selected input data (true data, per Section 8.1).
10 3B input Channel 3 data input B is one of the two sources selected onto output 3Y.
11 3A input Channel 3 data input A is one of the two sources selected onto output 3Y.
12 4Y output Channel 4 data output presents the selected input data (true data, per Section 8.1).
13 4B input Channel 4 data input B is one of the two sources selected onto output 4Y.
14 4A input Channel 4 data input A is one of the two sources selected onto output 4Y.
15 G input Output strobe, active low; when G is high all Y outputs are forced low per the function table.
16 VCC power_in Positive supply, 2 V to 5.5 V VCC operation per Section 6.3.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SSOP-16-208mil
Category Logic
Pins 16

CAD (KiCad official)

  • Symbol: SN74LV157ADBR
  • Footprint: Package_SO:SSOP-16_5.3x6.2mm_P0.65mm
  • 3D model: SSOP-16-208mil (KiCad packages3D, STEP)
  • 3D model files: sn74lv157adbr-etched.step / sn74lv157adbr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74lv157adbr.step / sn74lv157adbr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (28 pp, sha256 7acc04348f6fa75e, retrieved 2026-11-05, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (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