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SN74AXC4T245PWR

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by Ray

Texas Instruments Translators / Level Shifters, TSSOP-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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Contents

README

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SN74AXC4T245PWR

Texas Instruments · Translators / Level Shifters · TSSOP-16

SN74AXC4T245PWR from Texas Instruments, in a TSSOP-16. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VCCA power_in A-port power supply voltage. Operating range 0.65V to 3.6V. Sets the reference rail for A-side I/Os and the xDIR/xOE control inputs.
2 1DIR input Direction-control input for the '1' transceiver pair. Referenced to VCCA. High = A→B, Low = B→A.
3 2DIR input Direction-control input for the '2' transceiver pair. Referenced to VCCA. High = A→B, Low = B→A.
4 1A1 bidirectional Input/output 1A1 of transceiver pair 1, A-side. Referenced to VCCA (0.65V-3.6V logic level).
5 1A2 bidirectional Input/output 1A2 of transceiver pair 1, A-side. Referenced to VCCA (0.65V-3.6V logic level).
6 2A1 bidirectional Input/output 2A1 of transceiver pair 2, A-side. Referenced to VCCA (0.65V-3.6V logic level).
7 2A2 bidirectional Input/output 2A2 of transceiver pair 2, A-side. Referenced to VCCA (0.65V-3.6V logic level).
8 GND power_in Ground return for both supply rails.
9 GND power_in Ground return for both supply rails.
10 2B2 bidirectional Input/output 2B2 of transceiver pair 2, B-side. Referenced to VCCB (0.65V-3.6V logic level).
11 2B1 bidirectional Input/output 2B1 of transceiver pair 2, B-side. Referenced to VCCB (0.65V-3.6V logic level).
12 1B2 bidirectional Input/output 1B2 of transceiver pair 1, B-side. Referenced to VCCB (0.65V-3.6V logic level).
13 1B1 bidirectional Input/output 1B1 of transceiver pair 1, B-side. Referenced to VCCB (0.65V-3.6V logic level).
14 2OE input Active-low tri-state output-mode enable for pair 2. Pull high to place '2' outputs in tri-state. Referenced to VCCA. Tie to VCCA through a pullup during power-up/down to force high-impedance.
15 1OE input Active-low tri-state output-mode enable for pair 1. Pull high to place '1' outputs in tri-state. Referenced to VCCA. Tie to VCCA through a pullup during power-up/down to force high-impedance.
16 VCCB power_in B-port power supply voltage. Operating range 0.65V to 3.6V. Sets the reference rail for B-side I/Os.

Key specifications

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

Ordering variants

Same part, different packaging or reel option.

  • SN74AXC4T245PWR
  • SN74AXC4T245PWRBQB
  • SN74AXC4T245PWRRSV

CAD (KiCad official)

  • Symbol: SN74AXC4T245PWR
  • Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
  • 3D model: TSSOP-16 (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: Texas Instruments datasheet (41 pp, sha256 56d2fab11d8986f4, retrieved 2026-08-17, tier: manufacturer)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF