UM3204UE
Union Semiconductor International Limited
Needs validationmedium risk
UM3204UE is a similar 4-channel level translator with lower VCCA max.
Best Alternatives to RS0104YQ
RS0104YQ is a 4-bit bidirectional voltage-level translator in 14-TSSOP. Alternatives must be checked for pinout and A/B supply ranges.
AI replacement insight
Electrical riskmedium
VCCA range differs
Package risklow
14-TSSOP matches
Firmware risklow
No protocol firmware
Sourcing riskmedium
No stock data given
Can it be replaced directly?
No pin-compatible replacement is verified from the provided data.
Best replacement path
UM3204UE is the closest kept candidate if VCCA stays at or below 3.6V.
Main risk
Pinout is unverified and UM3204UE has a lower VCCA maximum.
Recommended alternatives
1Alternative comparison matrix
| Feature / factor | RS0104YQ | UM3204UE | Alt 2 | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Application | 4-bit bidir level translator | 4-bit bidir level translator | 4-bit bidir level translator — Same function class | ||
| Package | 14-TSSOP | 14-TSSOP | 14-TSSOP — Form factor aligns | ||
| Pinout | 14 pins known | pin count missing | pin count missing — No pinout proof | ||
| Voltage | VCCA 1.65-5.5V | VCCA 1.65-3.6V | VCCA 1.65-3.6V — A-side max lower | ||
| Temperature | -40 to 85C | -40 to 85C | -40 to 85C — Range aligns |
Application & sourcing insights
Questions & answers
UM3204UE is the closest candidate found, but it needs FAE review for pinout and VCCA range.