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Contents

README

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SN74HCS137QDRQ1

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

SN74HCS137QDRQ1 from Texas Instruments, in a SOIC-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 A0 input Address select 0 input (Schmitt-trigger); with LE low it selects one of the eight outputs, and with LE high its value is latched and ignored.
2 A1 input Address select 1 input (Schmitt-trigger); with LE low it selects one of the eight outputs, and with LE high its value is latched and ignored.
3 A2 input Address select 2 input (Schmitt-trigger); with LE low it selects one of the eight outputs, and with LE high its value is latched and ignored.
4 LE input Active-low latch enable; when LE is low the device acts as a normal one-of-eight decoder, and when LE is high the address latches hold their previous states regardless of address changes.
5 G1 input Active-low strobe input 1; when any strobe is active all outputs are forced high, and it can serve as the data input for demultiplexing.
6 G0 input Strobe input 0; when this strobe is active all outputs are forced high, and it can serve as the data input for demultiplexing.
7 Y7 output Decoder output 7, normally high and low only when selected; balanced CMOS push-pull output that may be left disconnected if unused.
8 GND power_in Ground reference pin for the device.
9 Y6 output Decoder output 6, normally high and low only when selected; balanced CMOS push-pull output that may be left disconnected if unused.
10 Y5 output Decoder output 5, normally high and low only when selected; balanced CMOS push-pull output that may be left disconnected if unused.
11 Y4 output Decoder output 4, normally high and low only when selected; balanced CMOS push-pull output that may be left disconnected if unused.
12 Y3 output Decoder output 3, normally high and low only when selected; balanced CMOS push-pull output that may be left disconnected if unused.
13 Y2 output Decoder output 2, normally high and low only when selected; balanced CMOS push-pull output that may be left disconnected if unused.
14 Y1 output Decoder output 1, normally high and low only when selected; balanced CMOS push-pull output that may be left disconnected if unused.
15 Y0 output Decoder output 0, normally high and low only when selected; balanced CMOS push-pull output that may be left disconnected if unused.
16 VCC power_in Positive supply; the recommended supply voltage range is 2 V to 6 V.

Key specifications

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

CAD (KiCad official)

  • Symbol: SN74HCS137QDRQ1
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOIC-16 (KiCad packages3D, STEP)
  • 3D model files: sn74hcs137qdrq1-etched.step / sn74hcs137qdrq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74hcs137qdrq1.step / sn74hcs137qdrq1.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (26 pp, sha256 1f54f5f2f2c675e1, retrieved 2026-10-07, 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-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