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CY74FCT374ATQCT

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Texas Instruments Flip Flops, QSOP-20-150mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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CY74FCT374ATQCT

Texas Instruments · Flip Flops · QSOP-20-150mil

CY74FCT374ATQCT from Texas Instruments, in a QSOP-20-150mil. 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 OE input Output Enable input; when low enables data outputs, when high places outputs in high-impedance state.
2 O0 tri_state Data output 0 with 64-mA sink current and 32-mA source current.
3 D0 input Data input 0, captured on rising edge of CP with 2-ns setup time.
4 D1 input Data input 1, captured on rising edge of CP with 2-ns setup time.
5 O1 tri_state Data output 1 with 64-mA sink current and 32-mA source current.
6 O2 tri_state Data output 2 with 64-mA sink current and 32-mA source current.
7 D2 input Data input 2, captured on rising edge of CP with 2-ns setup time.
8 D3 input Data input 3, captured on rising edge of CP with 2-ns setup time.
9 O3 tri_state Data output 3 with 64-mA sink current and 32-mA source current.
10 GND power_in Ground, logic reference potential.
11 CP input Clock input, buffered clock pulse with low-to-high transition capturing D inputs.
12 O4 tri_state Data output 4 with 64-mA sink current and 32-mA source current.
13 D4 input Data input 4, captured on rising edge of CP with 2-ns setup time.
14 D5 input Data input 5, captured on rising edge of CP with 2-ns setup time.
15 O5 tri_state Data output 5 with 64-mA sink current and 32-mA source current.
16 O6 tri_state Data output 6 with 64-mA sink current and 32-mA source current.
17 D6 input Data input 6, captured on rising edge of CP with 2-ns setup time.
18 D7 input Data input 7, captured on rising edge of CP with 2-ns setup time.
19 O7 tri_state Data output 7 with 64-mA sink current and 32-mA source current.
20 VCC power_in Supply voltage 4.75 to 5.25 V.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package QSOP-20-150mil
Category Logic
Pins 20

CAD (KiCad official)

  • Symbol: CY74FCT374ATQCT
  • Footprint: Package_SO:QSOP-20_3.9x8.7mm_P0.635mm
  • 3D model: QSOP-20-150mil (KiCad packages3D, STEP)
  • 3D model files: cy74fct374atqct-etched.step / cy74fct374atqct-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cy74fct374atqct.step / cy74fct374atqct.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (14 pp, sha256 3f92e0aafbb5c870, retrieved 2026-10-06, 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