95V857AHLFT

Application Specific Clock/Timing Overview

The Renesas 95V857AHLFT is a DDR clock buffer and driver IC designed for memory systems. It features a zero-delay buffer architecture with a single output channel, operating at a maximum frequency of 233MHz. The device utilizes a 56-CABGA (4.5x7.0) surface-mount package and supports differential input and output signals. It functions within a supply voltage range of 2.3V to 2.7V and operates across a commercial temperature range of 0°C to 85°C.

Application Specific Clock/Timing Feature Summary

• Zero-delay buffer architecture ensures minimal clock skew for memory applications
• Supports differential signaling for both input and output paths
• Designed specifically for DDR clock distribution in memory systems

Application Specific Clock/Timing Applications

• DDR clock distribution in memory systems
• Memory subsystem clock buffering
• High-speed digital interface timing alignment

Application Specific Clock/Timing Procurement Notes

This component is officially listed as obsolete and no longer manufactured by Renesas Electronics Corporation. Procurement should focus on verified replacement parts or available surplus from authorized distributors. Verify part authenticity and check for relevant Product Change Notices regarding assembly facility changes or packaging updates before integration into new designs.

Application Specific Clock/Timing Selection Notes

Select this component only for legacy system maintenance or repair where the specific 56-CABGA footprint and 233MHz performance are required. For new designs, consider modern equivalents that offer updated manufacturing processes and broader availability. Ensure the design accommodates the 2.3V to 2.7V supply requirement and differential signal integrity constraints associated with DDR interfaces.

Application Specific Clock/Timing Part Context

The 95V857AHLFT belongs to the 95V857 series of clock buffers from Renesas. This series targets high-performance memory applications requiring precise timing. The HLFT suffix indicates the specific package type and lead-free compliance. It serves as a critical timing element in server and storage architectures utilizing DDR memory technologies.

Application Specific Clock/Timing Replacement Considerations

Public confirmed substitute: CDCVF857DGG (Texas Instruments). Verify pinout compatibility and electrical specifications against the original datasheet before substitution.