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Contents

README

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CD74HC4538QM96G4Q1

Texas Instruments · Monostable Multivibrators · SOIC-16

CD74HC4538QM96G4Q1 from Texas Instruments, in a SOIC-16. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 1CX passive External timing capacitor connection (0 pF minimum) for channel 1.
2 1RXCX passive External timing capacitor and resistor junction for channel 1; resistor minimum 5 kΩ per specification.
3 1R passive External timing resistor connection; minimum 5 kΩ per specification.
4 1A input Channel 1 rising-edge trigger input with Schmitt trigger characteristic.
5 1B input Channel 1 falling-edge trigger input with Schmitt trigger characteristic.
6 1Q output Channel 1 output pulse.
7 1Q̄ output Channel 1 inverted output pulse.
8 GND power_in Ground connection.
9 2Q̄ output Channel 2 inverted output pulse.
10 2Q output Channel 2 output pulse.
11 2B input Channel 2 falling-edge trigger input with Schmitt trigger characteristic.
12 2A input Channel 2 rising-edge trigger input with Schmitt trigger characteristic.
13 2R passive External timing resistor connection; minimum 5 kΩ per specification.
14 2RXCX passive External timing capacitor and resistor junction for channel 2; resistor minimum 5 kΩ per specification.
15 2CX passive External timing capacitor connection (0 pF minimum) for channel 2.
16 VCC power_in Power supply input; operating range 2 V to 6 V per recommended operating conditions.

Key specifications

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

CAD (KiCad official)

  • Symbol: CD74HC4538QM96G4Q1
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOIC-16 (KiCad packages3D, STEP)
  • 3D model files: cd74hc4538qm96g4q1-etched.step / cd74hc4538qm96g4q1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cd74hc4538qm96g4q1.step / cd74hc4538qm96g4q1.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (22 pp, sha256 3f51d05d4c729421, retrieved 2026-09-18, 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 0.2, 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