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CD74HC237PWR

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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CD74HC237PWR

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

CD74HC237PWR 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 A0 input Binary address input 0; used with A1, A2 to select one of eight outputs.
2 A1 input Binary address input 1; used with A0, A2 to select one of eight outputs.
3 A2 input Binary address input 2; used with A0, A1 to select one of eight outputs.
4 LE input Latch Enable input; active high to latch address inputs and isolate outputs from select-input changes.
5 OE1 input Output Enable input 1; used with OE0 to enable or disable outputs for cascading and demultiplexing.
6 OE0 input Output Enable input 0; used with OE1 to enable or disable outputs for cascading and demultiplexing.
7 Y7 output Active-high output 7; selected when A2=1, A1=1, A0=1.
8 GND power_in Ground; negative power supply.
9 Y6 output Active-high output 6; selected when A2=1, A1=1, A0=0.
10 Y5 output Active-high output 5; selected when A2=1, A1=0, A0=1.
11 Y4 output Active-high output 4; selected when A2=1, A1=0, A0=0.
12 Y3 output Active-high output 3; selected when A2=0, A1=1, A0=1.
13 Y2 output Active-high output 2; selected when A2=0, A1=1, A0=0.
14 Y1 output Active-high output 1; selected when A2=0, A1=0, A0=1.
15 Y0 output Active-high output 0; selected when A2=0, A1=0, A0=0.
16 VCC power_in Positive power supply voltage; 2V to 6V for HC type.

Key specifications

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

CAD (KiCad official)

  • Symbol: CD74HC237PWR
  • Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
  • 3D model: TSSOP-16 (KiCad packages3D, STEP)
  • 3D model files: cd74hc237pwr-etched.step / cd74hc237pwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cd74hc237pwr.step / cd74hc237pwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (27 pp, sha256 392e1dad7454b4a5, retrieved 2026-09-26, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (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