UM3304UE

Overview

The UM3304UE is a 4-bit bidirectional voltage-level translator manufactured by Union Semiconductor International Limited. It features auto direction sensing and ±4kV ESD protection. The device supports low-voltage logic families such as LVTTL, LVCMOS, and LVDS for seamless interface between different voltage domains.

Feature Summary

• Bidirectional data transmission with automatic direction detection
• Integrated electrostatic discharge protection rated at ±4kV
• Supports multiple low-voltage logic standards including LVTTL and LVCMOS

Applications

• Interfacing between different voltage domains in embedded systems
• Connecting microcontrollers to peripheral devices operating at distinct logic levels
• Signal translation in mixed-voltage circuit boards

Procurement Notes

Verify the specific suffix 'UE' against official manufacturer documentation to confirm package type and temperature range. Ensure compatibility with target voltage levels before integration. Cross-reference datasheet revisions for any updates to electrical characteristics or pin configurations.

Selection Notes

Select this component when bidirectional level shifting with auto-direction sensing is required. Consider the ±4kV ESD rating for environments prone to static discharge. Verify that the input/output voltage ranges align with the connected logic families.

Part Context

Union Semiconductor offers a series of voltage translators, including variants like UM3304Q and UM3308. The UM3304UE belongs to the 4-bit bidirectional family, designed for applications requiring robust signal integrity and protection in mixed-voltage digital interfaces.

FAQ

What is the ESD protection rating of the UM3304UE?

The device provides ±4kV electrostatic discharge protection.

Does the UM3304UE support unidirectional operation?

No, it is specifically designed as a bidirectional voltage-level translator with auto direction sensing.