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AN1125 - Interfacing the CYS25G0101DX to Differential LVPECL | Cypress Semiconductor

AN1125 - Interfacing the CYS25G0101DX to Differential LVPECL

Last Updated: 
Sep 12, 2017
Version: 
*C

AN1125 demonstrates how to connect the single-ended interface of CYS25G0101DX to a differential LVPECL device and provides simple formulas to help users calculate the values of the termination circuitry.

Introduction

The CYS25G0101DX is a SONET OC-48 Transceiver. It provides complete parallel-to-serial and serial-to-parallel conversions, clock and data recovery, and clock synthesis functions in a single chip. The synchronous parallel input and output interface of the CYS25G0101DX are HSTL and LVCMOS compliant, and support differential and single ended LVPECL standards devices.