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Contents

README

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SN74AXCH4T245PWR

Texas Instruments · Translators, Level Shifters · TSSOP-16

SN74AXCH4T245PWR 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, 0.65 V ≤ VCCA ≤ 3.6 V.
2 1DIR input Direction-control input for '1' ports, referenced to VCCA.
3 2DIR input Direction-control input for '2' ports, referenced to VCCA.
4 1A1 bidirectional Input/output 1A1, referenced to VCCA.
5 1A2 bidirectional Input/output 1A2, referenced to VCCA.
6 2A1 bidirectional Input/output 2A1, referenced to VCCA.
7 2A2 bidirectional Input/output 2A2, referenced to VCCA.
8 GND power_in Ground reference.
9 GND power_in Ground reference.
10 2B2 bidirectional Input/output 2B2, referenced to VCCB.
11 2B1 bidirectional Input/output 2B1, referenced to VCCB.
12 1B2 bidirectional Input/output 1B2, referenced to VCCB.
13 1B1 bidirectional Input/output 1B1, referenced to VCCB.
14 2OE input Tri-state output-mode enable; pull high to place '2' outputs in tri-state mode, referenced to VCCA.
15 1OE input Tri-state output-mode enable; pull high to place '1' outputs in tri-state mode, referenced to VCCA.
16 VCCB power_in B-port power supply voltage, 0.65 V ≤ VCCB ≤ 3.6 V.

Key specifications

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

CAD (KiCad official)

  • Symbol: SN74AXCH4T245PWR
  • Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
  • 3D model: TSSOP-16 (KiCad packages3D, STEP)
  • 3D model files: sn74axch4t245pwr-etched.step / sn74axch4t245pwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74axch4t245pwr.step / sn74axch4t245pwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (39 pp, sha256 d1dc2e407a617db2, retrieved 2026-10-01, tier: manufacturer)
  • 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