W631GU8NB-15 TR

Memory IC Overview

The W631GU8NB-15 TR is a 1 Gbit DDR3L SDRAM organized as 16M x 8 bits with eight internal banks. It supports a maximum operating frequency of 667 MHz and operates within a voltage range of 1.283 V to 1.45 V, while maintaining backward compatibility with 1.5 V systems. The device utilizes a VFBGA-78 package and is supplied in a reel format.

Memory IC Feature Summary

• Supports double data rate architecture with differential clock inputs and source-synchronous data strobes for high-speed transfer rates up to 2133 MT/s across various speed grades.
• Includes programmable on-die termination (ODT) for data, mask, and strobe pairs, featuring dynamic ODT modes to enhance signal integrity during write operations.
• Provides system-level timing calibration support through write leveling and Multi Purpose Register (MPR) read patterns for precise interface alignment.

Memory IC Applications

• High-performance computing systems requiring low power consumption
• Industrial embedded applications utilizing industrial temperature grade variants
• Consumer electronics and communication devices needing compact memory solutions

Memory IC Procurement Notes

Verify the specific ordering suffix against manufacturer documentation to confirm speed grade and temperature rating. Confirm that the 'TR' designation corresponds to the required reel packaging configuration. Ensure compatibility with existing board designs regarding the VFBGA-78 footprint and moisture sensitivity levels before procurement.

Memory IC Selection Notes

Select this component based on the required data rate and voltage specifications. The '-15' suffix indicates compliance with the DDR3L-1333 specification. Consider environmental requirements when choosing between commercial and industrial temperature ranges. Verify that the system supports the necessary initialization sequences and mode register settings for optimal performance.

Memory IC Part Context

This part belongs to the Winbond W631GU8NB series of DDR3L SDRAMs. The series offers multiple speed grades ranging from DDR3L-2133 to DDR3L-1333. Variants include industrial temperature options (-I and -J grades) designed for extended operational environments, providing flexibility for diverse application needs.

Memory IC Replacement Considerations

Direct substitutes may include other W631GU8NB variants with different speed grades or temperature ratings. Cross-referencing pinouts and electrical characteristics is essential when considering alternative components from the same family or competing manufacturers.

Memory IC FAQ

What is the maximum operating frequency for the W631GU8NB-15?

The W631GU8NB-15 supports a maximum operating frequency of 667 MHz, corresponding to the DDR3L-1333 speed grade.

Does the W631GU8NB-15 support operation at 1.5V?

Yes, the device is backward compatible with 1.5V systems, although its typical operating voltage is 1.35V.