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CD74AC112M

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by adom

Texas Instruments Flip Flops, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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3D Model

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Symbol & Footprint

Schematic Symbol

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PCB Footprint

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Datasheet

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Contents

README

markdown

CD74AC112M

Texas Instruments · Flip Flops · SOIC-16

CD74AC112M 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 1CLK input Clock input for first flip-flop; negative-edge triggered.
2 1K input K input for first flip-flop; controls output behavior with J input per function table.
3 1J input J input for first flip-flop; controls output behavior with K input per function table.
4 1PRE input Preset input for first flip-flop; low level sets 1Q output high, independent of other inputs.
5 1Q output Q output for first flip-flop.
6 1Q̄ output Q inverted output for first flip-flop.
7 2Q output Q output for second flip-flop.
8 GND power_in Ground; 0 V reference.
9 2Q output Q inverted output for second flip-flop.
10 2PRE input Preset input for second flip-flop; low level sets 2Q output high, independent of other inputs.
11 2J input J input for second flip-flop; controls output behavior with K input per function table.
12 2K input K input for second flip-flop; controls output behavior with J input per function table.
13 2CLK input Clock input for second flip-flop; negative-edge triggered.
14 2CLR input Clear input for second flip-flop; low level resets 2Q output low, independent of other inputs.
15 1CLR input Clear input for first flip-flop; low level resets 1Q output low, independent of other inputs.
16 VCC power_in Positive power supply; 1.5 V to 5.5 V recommended operating range.

Key specifications

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

CAD (KiCad official)

  • Symbol: CD74AC112M
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOIC-16 (KiCad packages3D, STEP)
  • 3D model files: cd74ac112m-etched.step / cd74ac112m-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cd74ac112m.step / cd74ac112m.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (15 pp, sha256 1aabaad24ba07bd8, retrieved 2026-10-01, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-4-5-20251001 (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