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SN74LS241DWR

Public Made by Adom

by adom

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

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Symbol & Footprint

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Contents

README

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SN74LS241DWR

Texas Instruments · Buffer/Driver/Transceiver · SOIC-20-300mil

SN74LS241DWR 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 1G input Channel 1 output enable control input (active-low).
2 1A1 input Channel 1, A-side input 1.
3 2Y4 tri_state Channel 2, Y-side 3-state output 4.
4 1A2 input Channel 1, A-side input 2.
5 2Y3 tri_state Channel 2, Y-side 3-state output 3.
6 1A3 input Channel 1, A-side input 3.
7 2Y2 tri_state Channel 2, Y-side 3-state output 2.
8 1A4 input Channel 1, A-side input 4.
9 2Y1 tri_state Channel 2, Y-side 3-state output 1.
10 GND power_in Ground reference (0V).
11 2A1 input Channel 2, A-side input 1.
12 1Y4 tri_state Channel 1, Y-side 3-state output 4.
13 2A2 input Channel 2, A-side input 2.
14 1Y3 tri_state Channel 1, Y-side 3-state output 3.
15 2A3 input Channel 2, A-side input 3.
16 1Y2 tri_state Channel 1, Y-side 3-state output 2.
17 2A4 input Channel 2, A-side input 4.
18 1Y1 tri_state Channel 1, Y-side 3-state output 1.
19 2G input Channel 2 output enable control input (active-low).
20 VCC power_out Power supply (5V nominal).

Key specifications

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

CAD (KiCad official)

  • Symbol: SN74LS241DWR
  • Footprint: Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm
  • 3D model: SOIC-20-300mil (KiCad packages3D, STEP)
  • 3D model files: sn74ls241dwr-etched.step / sn74ls241dwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74ls241dwr.step / sn74ls241dwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (42 pp, sha256 05f3258985319fe3, 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