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CD74HC21M96

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Texas Instruments Logic Gates, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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CD74HC21M96

Texas Instruments · Logic Gates · SOIC-14

CD74HC21M96 from Texas Instruments, in a SOIC-14. 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 1A input Input channel 1, input A of the first 4-input AND gate, which performs Y = A ● B ● C ● D in positive logic.
2 1B input Input channel 1, input B of the first 4-input AND gate, which performs Y = A ● B ● C ● D in positive logic.
3 NC unconnected Not internally connected.
4 1C input Input channel 1, input C of the first 4-input AND gate, which performs Y = A ● B ● C ● D in positive logic.
5 1D input Input channel 1, input D of the first 4-input AND gate, which performs Y = A ● B ● C ● D in positive logic.
6 1Y output Output channel 1, output Y of the first AND gate; balanced CMOS push-pull output with continuous output current limited to ±25 mA.
7 GND power_in Ground reference for the device.
8 2Y output Output channel 2, output Y of the second AND gate; balanced CMOS push-pull output with continuous output current limited to ±25 mA.
9 2A input Input channel 2, input A of the second 4-input AND gate, which performs Y = A ● B ● C ● D in positive logic.
10 2B input Input channel 2, input B of the second 4-input AND gate, which performs Y = A ● B ● C ● D in positive logic.
11 NC unconnected Not internally connected.
12 2C input Input channel 2, input C of the second 4-input AND gate, which performs Y = A ● B ● C ● D in positive logic.
13 2D input Input channel 2, input D of the second 4-input AND gate, which performs Y = A ● B ● C ● D in positive logic.
14 VCC power_in Positive supply; recommended operating range is 2 V to 6 V, with an absolute maximum of 7 V.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-14
Category Logic
Pins 14

CAD (KiCad official)

  • Symbol: CD74HC21M96
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOIC-14 (KiCad packages3D, STEP)
  • 3D model files: cd74hc21m96-etched.step / cd74hc21m96-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cd74hc21m96.step / cd74hc21m96.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (27 pp, sha256 94f7fede76e4cb1d, retrieved 2026-10-08, 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