W83310UG TR

Overview

The W83310UG TR is a bus termination regulator manufactured by Nuvoton Technology Corporation. It is designed for DDR SDRAM applications, providing continuous bidirectional sinking and driving capability to maintain signal integrity on memory buses. The device operates within a standard voltage range suitable for system power rails and is housed in an 8-SOIC package. This component ensures stable termination voltages under varying load conditions typical in high-speed digital interfaces.

Feature Summary

• Provides continuous bidirectional current sinking and driving for DDR SDRAM bus termination
• Integrated over-temperature and current limit protection mechanisms
• Designed as a switching regulator optimized for bus termination stability

Applications

• DDR SDRAM bus termination
• High-speed memory interface stabilization
• System board power management for memory modules

Procurement Notes

Verify the exact suffix 'TR' against official Nuvoton documentation to confirm tape-and-reel packaging status. Confirm that the part number matches the specific pinout and thermal characteristics required for your PCB layout. Cross-reference with the latest datasheet revision to ensure compatibility with current manufacturing processes and material specifications.

Selection Notes

Select this component when designing DDR SDRAM circuits requiring robust bus termination with integrated protection features. Ensure the application environment stays within the specified operating temperature range. Verify that the SOIC package footprint aligns with existing assembly capabilities and that the bidirectional current requirements match the memory bus specifications.

Part Context

This part belongs to the W83310 series of bus termination regulators from Nuvoton. These devices are specialized PMIC components aimed at improving signal integrity in memory systems. The series includes variants like W83310SG and W83310DG, each tailored for specific current ratings and protection profiles while maintaining the core function of stable bus termination.

Replacement Considerations

Check for direct substitutes within the W83310 family such as W83310SG or W83310DG if pin compatibility and current ratings allow. Verify that any replacement maintains the same bidirectional drive capability and protection features. Consult Nuvoton's official substitution guide for validated alternatives.