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Contents

README

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SN74LVCH245ADBR

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

SN74LVCH245ADBR 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 select input that sets the direction of data flow between the A and B ports.
2 A1 bidirectional A1 input or output.
3 A2 bidirectional A2 input or output.
4 A3 bidirectional A3 input or output.
5 A4 bidirectional A4 input or output.
6 A5 bidirectional A5 input or output.
7 A6 bidirectional A6 input or output.
8 A7 bidirectional A7 input or output.
9 A8 bidirectional A8 input or output.
10 GND power_in Ground.
11 B8 bidirectional B8 input or output (labelled Y8 in the pin function table).
12 B7 bidirectional B7 input or output (labelled Y7 in the pin function table).
13 B6 bidirectional B6 input or output (labelled Y6 in the pin function table).
14 B5 bidirectional B5 input or output (labelled Y5 in the pin function table).
15 B4 bidirectional B4 input or output (labelled Y4 in the pin function table).
16 B3 bidirectional B3 input or output (labelled Y3 in the pin function table).
17 B2 bidirectional B2 input or output (labelled Y2 in the pin function table).
18 B1 bidirectional B1 input or output (labelled Y1 in the pin function table).
19 OE input Output enable, active low.
20 VCC power_in Positive supply; the datasheet gives an operating range of 1.65 V to 3.6 V for the SN74LVCH245A.

Key specifications

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

CAD (KiCad official)

  • Symbol: SN74LVCH245ADBR
  • Footprint: Package_SO:SSOP-20_5.3x7.2mm_P0.65mm
  • 3D model: SSOP-20-208mil (KiCad packages3D, STEP)
  • 3D model files: sn74lvch245adbr-etched.step / sn74lvch245adbr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74lvch245adbr.step / sn74lvch245adbr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (44 pp, sha256 d5e36c420a8451c2, retrieved 2026-10-06, 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 0.3, 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