Best Alternatives to TXB0108RGYR

Package: 20-VFQFN Exposed PadTexas InstrumentsTranslatorsSeries: -Package: Tape & Reel (TR); Cut Tape (CT); Digi-Reel®Number of Circuits: 1Voltage - VCCA: 1.2 V ~ 3.6 VVoltage - VCCB: 1.65 V ~ 5.5 V

Find suitable replacements for the TXB0108RGYR, an 8-bit bidirectional voltage translator from Texas Instruments. This guide reviews pin-compatible and functional alternatives, highlighting key differences in performance and architecture.

AI replacement insight

Electrical riskmedium

Architecture (buffered vs. pass-gate) and ESD rating differences require validation.

Package risklow

The VQFN-20 package is common and several candidates match the form factor.

Firmware risklow

These are simple logic ICs with no firmware dependency.

Can it be replaced directly?

Direct replacement for TXB0108RGYR should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.

Best replacement path

Start with Datasheet verified or Strong match candidates for TXB0108RGYR, then review parametric alternatives for package and electrical fit.

Main risk

The main risk is functional incompatibility. The target TXB series is a buffered translator, while alternatives like the TXS series use a different pass-gate architecture, affecting drive strength.

Recommended alternatives

1
TXS0108ERGYR package
TXS0108ERGYR

Texas Instruments

Needs validationmedium risk

A functional alternative in the same package, but with a different internal architecture that may affect performance.

View details

Alternative comparison matrix

Feature / factorTXB0108RGYRPI4ULS5V108ZBAEXTXS0108ERGYRAlt 3Compatibility / risk
PackageVQFN (20)VQFN-20VQFN-20VQFN-20 — Package and pinout match target based on datasheet.; TXS0108ERGYR: Package dimensions match.
PinoutPin-compatiblePin-compatible-Pin-compatible — Datasheet confirms pin-for-pin compatibility.
Voltage1.2V-3.6V (A), 1.65V-5.5V (B)0.9V-5.0V (A/B)1.2V to 3.6V0.9V-5.0V (A/B) / 1.2V to 3.6V — Wider, more flexible operating voltage range.; TXS0108ERGYR: VCCA and VCCB ranges match.
Data Rate100 Mbps>100 Mbps110 Mbps>100 Mbps / 110 Mbps — Data rate is comparable to target.; TXS0108ERGYR: Slightly higher max data rate.
ArchitectureBuffered with direction sensing-Pass-gate with one-shotPass-gate with one-shot — Target is buffered. Candidate is not for high drive strength applications.
Esd Protection±15 kV (B Port)-Standard HBM/CDMStandard HBM/CDM — Target has enhanced ESD protection on B-port.

Application & sourcing insights

Questions & answers

Verified drop-in options for TXB0108RGYR are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.