Loads on click. Unloads only if this page sits in the background.

Symbol & Footprint

Schematic Symbol

Open full view ↗
Loads on click. Unloads only if this page sits in the background.

PCB Footprint

Open full view ↗
Loads on click. Unloads only if this page sits in the background.
Loads on click. Unloads only if this page sits in the background.
Download PDF
Contents

README

markdown

CY74FCT541CTSOCT

Texas Instruments · Buffers, Drivers, Receivers, Transceivers · SOIC-20-300mil

CY74FCT541CTSOCT 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 OEA input Output Enable A input; active low to enable 3-state outputs
2 D0 input Data input 0
3 D1 input Data input 1
4 D2 input Data input 2
5 D3 input Data input 3
6 D4 input Data input 4
7 D5 input Data input 5
8 D6 input Data input 6
9 D7 input Data input 7
10 GND power_in Ground
11 O7 tri_state Data output 7; 3-state output with 64 mA sink, 32 mA source current capability
12 O6 tri_state Data output 6; 3-state output with 64 mA sink, 32 mA source current capability
13 O5 tri_state Data output 5; 3-state output with 64 mA sink, 32 mA source current capability
14 O4 tri_state Data output 4; 3-state output with 64 mA sink, 32 mA source current capability
15 O3 tri_state Data output 3; 3-state output with 64 mA sink, 32 mA source current capability
16 O2 tri_state Data output 2; 3-state output with 64 mA sink, 32 mA source current capability
17 O1 tri_state Data output 1; 3-state output with 64 mA sink, 32 mA source current capability
18 O0 tri_state Data output 0; 3-state output with 64 mA sink, 32 mA source current capability
19 OEB input Output Enable B input; active low to enable 3-state outputs
20 VCC power_in Positive power supply; 4.75 V to 5.25 V recommended

Key specifications

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

CAD (KiCad official)

  • Symbol: CY74FCT541CTSOCT
  • Footprint: Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm
  • 3D model: SOIC-20-300mil (KiCad packages3D, STEP)
  • 3D model files: cy74fct541ctsoct-etched.step / cy74fct541ctsoct-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cy74fct541ctsoct.step / cy74fct541ctsoct.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (13 pp, sha256 fa5ec40367224004, retrieved 2026-10-03, 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