CSPT857DPAGI

Application Specific Clock/Timing Overview

The CSPT857DPAGI is a zero-delay buffer and clock driver manufactured by Renesas Electronics Corporation. Designed for memory, DDR, and SDRAM applications, it features a single circuit with a 1:10 input-to-output ratio. The device supports differential inputs and outputs, operating at a maximum frequency of 220MHz. It requires a supply voltage between 2.3V and 2.7V and functions within an industrial temperature range of -40°C to 85°C. The component is housed in a 48-TSSOP surface-mount package.

Application Specific Clock/Timing Feature Summary

• Zero-delay buffer architecture with integrated PLL for low jitter performance
• 1:10 fanout ratio supporting differential input and output signals
• Maximum operating frequency of 220MHz for high-speed memory interfaces
• Industrial temperature rating from -40°C to 85°C

Application Specific Clock/Timing Applications

• DDR memory system clock distribution
• SDRAM clock buffering and driving
• High-speed digital logic synchronization

Application Specific Clock/Timing Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type and temperature grade. Confirm RoHS compliance status and lead-free specifications directly with the supplier or through the latest datasheet revision notes before procurement.

Application Specific Clock/Timing Selection Notes

Select this component when a 1:10 differential clock fanout is required for DDR or SDRAM architectures. Ensure the design accommodates the 2.3V to 2.7V supply voltage range and the 48-TSSOP footprint. Verify that the 220MHz maximum frequency meets the target system timing requirements.

Application Specific Clock/Timing Part Context

This part belongs to the CSPT857 family of zero-delay buffers. Variants such as CSPT857CPAG and CSPT857CBVG offer similar electrical characteristics but differ in packaging options, including TFSOP and TFBGA configurations. The DPAGI suffix typically denotes specific tape-and-reel packaging and industrial temperature grading.

Application Specific Clock/Timing Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult the manufacturer's discontinuance notices or product selection guides for verified cross-reference alternatives.