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Contents

README

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SN74AVC4T245PWT

Texas Instruments · Buffers, Drivers, Receivers, Transceivers · TSSOP-16

SN74AVC4T245PWT from Texas Instruments, in a TSSOP-16. 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 VCCA power_in A-port power supply voltage, 1.2V to 3.6V.
2 1DIR input Direction-control input for '1' ports; selects data flow direction from A to B or B to A.
3 2DIR input Direction-control input for '2' ports; selects data flow direction from A to B or B to A.
4 1A1 bidirectional Input/output 1A1 referenced to VCCA, 1.2V to 3.6V voltage range.
5 1A2 bidirectional Input/output 1A2 referenced to VCCA, 1.2V to 3.6V voltage range.
6 2A1 bidirectional Input/output 2A1 referenced to VCCA, 1.2V to 3.6V voltage range.
7 2A2 bidirectional Input/output 2A2 referenced to VCCA, 1.2V to 3.6V voltage range.
8 GND power_in Ground.
9 GND power_in Ground.
10 2B2 bidirectional Input/output 2B2 referenced to VCCB, 1.2V to 3.6V voltage range.
11 2B1 bidirectional Input/output 2B1 referenced to VCCB, 1.2V to 3.6V voltage range.
12 1B2 bidirectional Input/output 1B2 referenced to VCCB, 1.2V to 3.6V voltage range.
13 1B1 bidirectional Input/output 1B1 referenced to VCCB, 1.2V to 3.6V voltage range.
14 2OE input 3-state output-mode enable for '2' ports; pull high to place outputs in high-impedance state, referenced to VCCA.
15 1OE input 3-state output-mode enable for '1' ports; pull high to place outputs in high-impedance state, referenced to VCCA.
16 VCCB power_in B-port power supply voltage, 1.2V to 3.6V.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package TSSOP-16
Category Logic
Pins 16

CAD (KiCad official)

  • Symbol: SN74AVC4T245PWT
  • Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
  • 3D model: TSSOP-16 (KiCad packages3D, STEP)
  • 3D model files: sn74avc4t245pwt-etched.step / sn74avc4t245pwt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74avc4t245pwt.step / sn74avc4t245pwt.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (46 pp, sha256 f6beb9b37f6eb53c, retrieved 2026-09-25, 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-4-6 (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