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CY74FCT245CTSOC

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Texas Instruments Latches, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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CY74FCT245CTSOC

Texas Instruments · Latches · SOIC-20-300mil

CY74FCT245CTSOC from Texas Instruments, in a SOIC-20-300mil. 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 T/R input Transmit/receive control input; high enables transmission A to B, low enables reception B to A
2 A0 bidirectional A-port bit 0 noninverting bidirectional buffer with 3-state output
3 A1 bidirectional A-port bit 1 noninverting bidirectional buffer with 3-state output
4 A2 bidirectional A-port bit 2 noninverting bidirectional buffer with 3-state output
5 A3 bidirectional A-port bit 3 noninverting bidirectional buffer with 3-state output
6 A4 bidirectional A-port bit 4 noninverting bidirectional buffer with 3-state output
7 A5 bidirectional A-port bit 5 noninverting bidirectional buffer with 3-state output
8 A6 bidirectional A-port bit 6 noninverting bidirectional buffer with 3-state output
9 A7 bidirectional A-port bit 7 noninverting bidirectional buffer with 3-state output
10 GND power_in Ground (0V reference potential)
11 B7 bidirectional B-port bit 7 noninverting bidirectional buffer with 3-state output
12 B6 bidirectional B-port bit 6 noninverting bidirectional buffer with 3-state output
13 B5 bidirectional B-port bit 5 noninverting bidirectional buffer with 3-state output
14 B4 bidirectional B-port bit 4 noninverting bidirectional buffer with 3-state output
15 B3 bidirectional B-port bit 3 noninverting bidirectional buffer with 3-state output
16 B2 bidirectional B-port bit 2 noninverting bidirectional buffer with 3-state output
17 B1 bidirectional B-port bit 1 noninverting bidirectional buffer with 3-state output
18 B0 bidirectional B-port bit 0 noninverting bidirectional buffer with 3-state output
19 OE input Output enable control input; high places all A and B ports in high-impedance state
20 VCC power_in Positive power supply voltage, 4.75V to 5.25V nominal 5V for CY74FCT245CT

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-20-300mil
Category Logic
Pins 20

CAD (KiCad official)

  • Symbol: CY74FCT245CTSOC
  • Footprint: Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm
  • 3D model: SOIC-20-300mil (KiCad packages3D, STEP)
  • 3D model files: cy74fct245ctsoc-etched.step / cy74fct245ctsoc-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cy74fct245ctsoc.step / cy74fct245ctsoc.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (21 pp, sha256 bb7c5082a5845ca6, retrieved 2026-10-05, 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