UM3301DA

Translators, Level Shifters Overview

The UM3301DA is a single-channel bidirectional voltage-level translator manufactured by Union Semiconductor. It features automatic direction sensing to manage signal flow between two operating voltages without requiring a direction control pin. The device supports low-voltage applications and includes electrostatic discharge (ESD) protection capabilities, ensuring reliable data transmission across different logic domains in mixed-voltage systems.

Translators, Level Shifters Feature Summary

• Automatic direction sensing for seamless bidirectional translation
• Supports dual voltage operation levels
• Integrated ESD protection for signal integrity

Translators, Level Shifters Applications

• Mixed-voltage interface circuits
• Low voltage TVS protection interfaces
• Bidirectional data bus translation

Translators, Level Shifters Procurement Notes

Verify the manufacturer designation as Union Semiconductor or Union Semi when sourcing. Confirm the specific suffix DA matches the required package type. Ensure the component meets the intended ESD protection standards for the target application environment before integration.

Translators, Level Shifters Selection Notes

Select this component for designs requiring simple, pin-free level shifting between disparate voltage domains. It is suitable for applications where minimizing control pins is critical. Verify that the input signal characteristics align with the device's specified operating range and speed requirements.

Translators, Level Shifters Part Context

This part belongs to a family of voltage translators from Union Semiconductor. Similar devices include the UM3302H for dual-channel applications and the UM3308 for eight-channel configurations. These components share the core technology of automatic direction sensing to simplify circuit design in multi-voltage environments.

Translators, Level Shifters Replacement Considerations

Texas Instruments TXB0101 serves as a functional equivalent offering similar single-channel bidirectional translation with auto direction sensing. Verify pin compatibility and ESD ratings when substituting.