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The CY7B952-SC is a telecommunications interface integrated circuit manufactured by Infineon Technologies, formerly part of the Cypress product portfolio. It functions as a SONET/SDH compliant clock recovery unit designed for OC-1 and OC-3 applications. The device integrates a phase-locked loop (PLL) to recover timing signals from serial data streams, ensuring synchronization in high-speed optical networking environments. This component supports standard telecom interfaces required for synchronous digital hierarchy systems.
The CY7B952 series belongs to the family of telecom interface ICs originally developed by Cypress Semiconductor before its acquisition by Infineon Technologies. These components were engineered to meet Bellcore GR-253-CORE standards for SONET physical layer interfaces. The specific model addresses low-rate OC-1 and OC-3 clock recovery needs in legacy and specialized telecom infrastructure.
Publicly confirmed substitute part numbers are not available in verified documentation. As this component is listed as an End-of-Life (EOL) product, engineers should consult official Infineon replacement guides or contact authorized distributors for current alternatives.