
A potential pin-compatible substitute with matching voltage/temp ranges and stronger output drive.
SN74LV1T34DCKR is a single non-inverting buffer and level shifter in a compact SC70-5 package, operating from 1.65V to 5.5V. Finding a substitute involves matching its logic function, pinout, and wide voltage range.
Key parameters like voltage and temperature are easily matched.
SC70-5 is a standard package, but pinout must be verified.
Not applicable for a simple logic gate.
Direct replacement for SN74LV1T34DCKR should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
Start with Datasheet verified or Strong match candidates for SN74LV1T34DCKR, then review parametric alternatives for package and electrical fit.
The main risk is functional mismatch, such as using a part with an open-drain or 3-state output instead of a standard buffer.

A potential pin-compatible substitute with matching voltage/temp ranges and stronger output drive.
| Feature / factor | SN74LV1T34DCKR | SN74LVC1G17DCKR(UMW) | Alt 2 | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | SC70-5 | SC70-5 | SC70-5 — Package matches. | ||
| Pinout | Standard 1G17 | Likely match | Likely match — Pinout appears identical but requires datasheet verification. | ||
| Voltage | 1.65V to 5.5V | 1.65V to 5.5V | 1.65V to 5.5V — Supply voltage range matches. | ||
| Temperature | -40°C to 125°C | -40°C to 125°C | -40°C to 125°C — Operating temperature range matches. | ||
| Current | 8mA | 24mA | 24mA — Candidate has stronger output drive. | ||
| Application | Standard buffer | Adds Schmitt-trigger | Adds Schmitt-trigger — Adds Schmitt-trigger input, improving noise immunity. |
Verified drop-in options for SN74LV1T34DCKR 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.