component

TXS0104E

Public Made by Adom

by adom

TI 4-bit bidirectional voltage-level translator, SOIC-14. Auto-direction, 1.65-5.5 V, push-pull. Datasheet-verified.

componentinterfacelevel-translatorlevel-shifterbidirectionalsoic-14texas-instruments
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Contents

README

markdown

TXS0104E

Texas Instruments · Level translator · SOIC-14

Translates four logic signals between two voltage domains in either direction, without a direction pin: it senses which side is driving and follows automatically. The A side (VCCA) and B side (VCCB) each set their own rail from 1.65 to 5.5 V, so a 1.8 V SoC drives a 3.3 or 5 V peripheral and vice versa, and an OE pin three-states all channels. Integrated edge-rate control and pull-ups suit it to push-pull and lightly-loaded open-drain lines. A common glue part for mixed-voltage GPIO, SPI, and UART.

Pinout

Pin Name Type Function
1 VCCA power_in A-port supply voltage. 1.65 V ≤ VCCA ≤ 3.6 V and VCCA ≤ VCCB. Sets the OE threshold and the A-side signal level.
2 A1 bidirectional Bidirectional I/O channel 1, A side. Referenced to VCCA. Auto-sensing direction, supports push-pull and open-drain.
3 A2 bidirectional Bidirectional I/O channel 2, A side. Referenced to VCCA.
4 A3 bidirectional Bidirectional I/O channel 3, A side. Referenced to VCCA.
5 A4 bidirectional Bidirectional I/O channel 4, A side. Referenced to VCCA.
6 NC unconnected No internal connection. May be left floating or tied to GND.
7 GND power_in Ground reference. Also the reference return for both supplies.
8 OE input 3-state output-mode enable, referenced to VCCA. High = translator active. Low = all outputs Hi-Z. For a defined Hi-Z state at power-up/down, tie OE to GND through a pull-down resistor.
9 NC unconnected No internal connection.
10 B4 bidirectional Bidirectional I/O channel 4, B side. Referenced to VCCB.
11 B3 bidirectional Bidirectional I/O channel 3, B side. Referenced to VCCB.
12 B2 bidirectional Bidirectional I/O channel 2, B side. Referenced to VCCB.
13 B1 bidirectional Bidirectional I/O channel 1, B side. Referenced to VCCB.
14 VCCB power_in B-port supply voltage. 2.3 V ≤ VCCB ≤ 5.5 V, and must be ≥ VCCA. Sets the B-side signal level.

Key specifications

Parameter Value
Type Push-pull (edge-rate controlled)
Channels 4 (auto-direction)
A side 1.65-5.5 V
B side 1.65-5.5 V
Output enable OE (three-state)
Package SOIC-14

Ordering variants

Same part, different packaging or reel option.

  • TXS0104EDR (SOIC-14)
  • TXS0104EPWR (TSSOP-14)
  • TXS0104ERGYR (VQFN-14)

CAD (KiCad official)

  • Symbol: Logic_LevelTranslator:TXS0104ED (KiCad official)
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOIC-14 (KiCad packages3D, STEP)
  • 3D model files: txs0104e-etched.step / txs0104e-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); txs0104e.step / txs0104e.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (51 pp, sha256 8622dc5ff42a36e2, 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