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Contents

README

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SN74LV245ADBR

Texas Instruments · Buffers, Drivers, Receivers, Transceivers · SSOP-20-208mil

SN74LV245ADBR from Texas Instruments, in a SSOP-20-208mil. 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; low selects B-to-A data transfer, high selects A-to-B transfer.
2 A1 tri_state A-bus I/O port with tri-state output; maximum continuous current ±35mA per pin, input voltage range 0-5.5V.
3 A2 tri_state A-bus I/O port with tri-state output; maximum continuous current ±35mA per pin, input voltage range 0-5.5V.
4 A3 tri_state A-bus I/O port with tri-state output; maximum continuous current ±35mA per pin, input voltage range 0-5.5V.
5 A4 tri_state A-bus I/O port with tri-state output; maximum continuous current ±35mA per pin, input voltage range 0-5.5V.
6 A5 tri_state A-bus I/O port with tri-state output; maximum continuous current ±35mA per pin, input voltage range 0-5.5V.
7 A6 tri_state A-bus I/O port with tri-state output; maximum continuous current ±35mA per pin, input voltage range 0-5.5V.
8 A7 tri_state A-bus I/O port with tri-state output; maximum continuous current ±35mA per pin, input voltage range 0-5.5V.
9 A8 tri_state A-bus I/O port with tri-state output; maximum continuous current ±35mA per pin, input voltage range 0-5.5V.
10 GND power_in Ground reference pin; maximum continuous device current ±70mA through VCC and GND combined.
11 B8 tri_state B-bus I/O port with tri-state output; maximum continuous current ±35mA per pin, input voltage range 0-5.5V.
12 B7 tri_state B-bus I/O port with tri-state output; maximum continuous current ±35mA per pin, input voltage range 0-5.5V.
13 B6 tri_state B-bus I/O port with tri-state output; maximum continuous current ±35mA per pin, input voltage range 0-5.5V.
14 B5 tri_state B-bus I/O port with tri-state output; maximum continuous current ±35mA per pin, input voltage range 0-5.5V.
15 B4 tri_state B-bus I/O port with tri-state output; maximum continuous current ±35mA per pin, input voltage range 0-5.5V.
16 B3 tri_state B-bus I/O port with tri-state output; maximum continuous current ±35mA per pin, input voltage range 0-5.5V.
17 B2 tri_state B-bus I/O port with tri-state output; maximum continuous current ±35mA per pin, input voltage range 0-5.5V.
18 B1 tri_state B-bus I/O port with tri-state output; maximum continuous current ±35mA per pin, input voltage range 0-5.5V.
19 OE input Output enable control input (active low); high disables all outputs to high-impedance state.
20 VCC power_in Power supply input; device operates from 2V to 5.5V with maximum continuous current ±70mA.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SSOP-20-208mil
Category Logic
Pins 20

CAD (KiCad official)

  • Symbol: SN74LV245ADBR
  • Footprint: Package_SO:SSOP-20_5.3x7.2mm_P0.65mm
  • 3D model: SSOP-20-208mil (KiCad packages3D, STEP)
  • 3D model files: sn74lv245adbr-etched.step / sn74lv245adbr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74lv245adbr.step / sn74lv245adbr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (16 pp, sha256 b903b9502b4775e2, retrieved 2026-09-24, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-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