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SN74LVT245BDWR

Public Made by Adom

by adom

Texas Instruments Buffers, Drivers, Receivers, Transceivers, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SN74LVT245BDWR

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

SN74LVT245BDWR 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; low selects B bus data to A bus transmission, high selects A bus data to B bus transmission.
2 A1 bidirectional Bus A transceiver data line bit 1 with mixed-mode 5-V input/output support on 3.3-V core.
3 A2 bidirectional Bus A transceiver data line bit 2 with mixed-mode 5-V input/output support on 3.3-V core.
4 A3 bidirectional Bus A transceiver data line bit 3 with mixed-mode 5-V input/output support on 3.3-V core.
5 A4 bidirectional Bus A transceiver data line bit 4 with mixed-mode 5-V input/output support on 3.3-V core.
6 A5 bidirectional Bus A transceiver data line bit 5 with mixed-mode 5-V input/output support on 3.3-V core.
7 A6 bidirectional Bus A transceiver data line bit 6 with mixed-mode 5-V input/output support on 3.3-V core.
8 A7 bidirectional Bus A transceiver data line bit 7 with mixed-mode 5-V input/output support on 3.3-V core.
9 A8 bidirectional Bus A transceiver data line bit 8 with mixed-mode 5-V input/output support on 3.3-V core.
10 GND power_in Ground reference (0 V).
11 B8 bidirectional Bus B transceiver data line bit 8 with mixed-mode 5-V input/output support on 3.3-V core.
12 B7 bidirectional Bus B transceiver data line bit 7 with mixed-mode 5-V input/output support on 3.3-V core.
13 B6 bidirectional Bus B transceiver data line bit 6 with mixed-mode 5-V input/output support on 3.3-V core.
14 B5 bidirectional Bus B transceiver data line bit 5 with mixed-mode 5-V input/output support on 3.3-V core.
15 B4 bidirectional Bus B transceiver data line bit 4 with mixed-mode 5-V input/output support on 3.3-V core.
16 B3 bidirectional Bus B transceiver data line bit 3 with mixed-mode 5-V input/output support on 3.3-V core.
17 B2 bidirectional Bus B transceiver data line bit 2 with mixed-mode 5-V input/output support on 3.3-V core.
18 B1 bidirectional Bus B transceiver data line bit 1 with mixed-mode 5-V input/output support on 3.3-V core.
19 OE input Output enable control input; low enables transceiver outputs, high places all outputs in high-impedance state.
20 VCC power_in Power supply voltage (2.7 V to 3.6 V nominal), supports mixed-mode 5-V signal operation.

Key specifications

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

CAD (KiCad official)

  • Symbol: SN74LVT245BDWR
  • Footprint: Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm
  • 3D model: SOIC-20-300mil (KiCad packages3D, STEP)
  • 3D model files: sn74lvt245bdwr-etched.step / sn74lvt245bdwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74lvt245bdwr.step / sn74lvt245bdwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (22 pp, sha256 edba6f3dad321ba6, retrieved 2026-10-07, 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