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Contents

README

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SN74ALVC245DWR

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

SN74ALVC245DWR 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 DIR input Direction control input; L selects B-to-A transfer, H selects A-to-B transfer
2 A1 tri_state Octal bus transceiver A-port bit 1 with 3-state output capability
3 A2 tri_state Octal bus transceiver A-port bit 2 with 3-state output capability
4 A3 tri_state Octal bus transceiver A-port bit 3 with 3-state output capability
5 A4 tri_state Octal bus transceiver A-port bit 4 with 3-state output capability
6 A5 tri_state Octal bus transceiver A-port bit 5 with 3-state output capability
7 A6 tri_state Octal bus transceiver A-port bit 6 with 3-state output capability
8 A7 tri_state Octal bus transceiver A-port bit 7 with 3-state output capability
9 A8 tri_state Octal bus transceiver A-port bit 8 with 3-state output capability
10 GND power_in Ground
11 B8 tri_state Octal bus transceiver B-port bit 8 with 3-state output capability
12 B7 tri_state Octal bus transceiver B-port bit 7 with 3-state output capability
13 B6 tri_state Octal bus transceiver B-port bit 6 with 3-state output capability
14 B5 tri_state Octal bus transceiver B-port bit 5 with 3-state output capability
15 B4 tri_state Octal bus transceiver B-port bit 4 with 3-state output capability
16 B3 tri_state Octal bus transceiver B-port bit 3 with 3-state output capability
17 B2 tri_state Octal bus transceiver B-port bit 2 with 3-state output capability
18 B1 tri_state Octal bus transceiver B-port bit 1 with 3-state output capability
19 OE input Output enable control input; L enables outputs, H places outputs in high impedance
20 VCC power_in Supply voltage; operates from 1.65 V to 3.6 V

Key specifications

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

CAD (KiCad official)

  • Symbol: SN74ALVC245DWR
  • Footprint: Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm
  • 3D model: SOIC-20-300mil (KiCad packages3D, STEP)
  • 3D model files: sn74alvc245dwr-etched.step / sn74alvc245dwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74alvc245dwr.step / sn74alvc245dwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (20 pp, sha256 83dbaf25ff18161a, 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