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SN74AXC4T774QPWRQ1

Public Made by Adom

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Texas Instruments Translators, Level Shifters, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SN74AXC4T774QPWRQ1

Texas Instruments · Translators, Level Shifters · TSSOP-16

SN74AXC4T774QPWRQ1 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 DIR1 input Direction control input for transceiver 1, when high selects A-to-B direction, when low selects B-to-A direction, referenced to VCCA.
2 DIR2 input Direction control input for transceiver 2, when high selects A-to-B direction, when low selects B-to-A direction, referenced to VCCA.
3 A1 bidirectional Bidirectional I/O port A1 referenced to VCCA, supports 0.65V to 3.6V logic levels.
4 A2 bidirectional Bidirectional I/O port A2 referenced to VCCA, supports 0.65V to 3.6V logic levels.
5 A3 bidirectional Bidirectional I/O port A3 referenced to VCCA, supports 0.65V to 3.6V logic levels.
6 A4 bidirectional Bidirectional I/O port A4 referenced to VCCA, supports 0.65V to 3.6V logic levels.
7 DIR3 input Direction control input for transceiver 3, when high selects A-to-B direction, when low selects B-to-A direction, referenced to VCCA.
8 DIR4 input Direction control input for transceiver 4, when high selects A-to-B direction, when low selects B-to-A direction, referenced to VCCA.
9 OE input Tri-state output enable input, when high disables all outputs to high-impedance, when low enables outputs, referenced to VCCA.
10 GND power_in Ground reference.
11 B4 bidirectional Bidirectional I/O port B4 referenced to VCCB, supports 0.65V to 3.6V logic levels.
12 B3 bidirectional Bidirectional I/O port B3 referenced to VCCB, supports 0.65V to 3.6V logic levels.
13 B2 bidirectional Bidirectional I/O port B2 referenced to VCCB, supports 0.65V to 3.6V logic levels.
14 B1 bidirectional Bidirectional I/O port B1 referenced to VCCB, supports 0.65V to 3.6V logic levels.
15 VCCB power_in B port power supply, operating range 0.65V to 3.6V.
16 VCCA power_in A port power supply, operating range 0.65V to 3.6V.

Key specifications

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

CAD (KiCad official)

  • Symbol: SN74AXC4T774QPWRQ1
  • Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
  • 3D model: TSSOP-16 (KiCad packages3D, STEP)
  • 3D model files: sn74axc4t774qpwrq1-etched.step / sn74axc4t774qpwrq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74axc4t774qpwrq1.step / sn74axc4t774qpwrq1.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (43 pp, sha256 463af8c2d06fa5a8, retrieved 2026-10-05, 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