CY2SSTV857ZC-32

Overview

The CY2SSTV857ZC-32 is a PLL-based clock driver from Cypress Semiconductor, designed for high-speed clock distribution in SSTL_2 compliant systems. It features a 2:10 input-to-output ratio with differential inputs and outputs. The device operates within a supply voltage range of 2.375 V to 2.625 V and supports an operating temperature range of -40°C to 85°C. Packaged in a 48-TSSOP II (Surface Mount), it provides low skew and low jitter performance suitable for DDR memory applications.

Feature Summary

• PLL-based architecture with 2:10 differential clock distribution ratio
• Operates at 2.375 V to 2.625 V supply voltage
• Available in 48-pin TSSOP surface-mount package
• Industrial temperature range support (-40°C to 85°C)

Applications

• DDR memory module clock distribution
• Zero-delay board fan-out circuits
• High-speed digital system synchronization

Procurement Notes

Verify the specific suffix 'ZC-32' against official Cypress documentation to confirm exact pinout, lead finish, and tape-and-reel specifications. Ensure the 48-TSSOP II package dimensions match the target PCB footprint requirements before procurement.

Selection Notes

Select this component when a 2:10 differential clock split is required for SSTL_2 interfaces. Confirm that the system power supply strictly adheres to the 2.375 V–2.625 V range to maintain timing integrity. Verify thermal management capabilities for the -40°C to 85°C operational envelope.

Part Context

This part belongs to the SSTV series of clock drivers, optimized for synchronous DRAM (SDRAM) and DDR memory architectures. It complements registered buffers like the CY2SSTV16859 by providing the necessary clock fan-out with precise phase alignment.

Replacement Considerations

Cross-reference with IDT ICS95V857 or NXP PCKV857 series devices for functional equivalents. Verify pin compatibility and electrical parameters such as skew and jitter specifications before substitution.