General Description

The SY69753L is a complete Clock Recovery and Data Retiming integrated circuit for OC-3/STS-3 applications at 155Mbps NRZ. The device is ideally suited for SONET/SDH/ATM applications and other high-speed data transmission systems.

Features

• 3.3V power supply

• SONET/SDH/ATM compatible

• Clock and data recovery for 125Mbps/155Mbps NRZ data stream

• Two on-chip PLLs: one for clock generation and another for clock recovery

• Selectable reference frequencies

• Differential PECL high-speed serial I/O

• Line receiver input: no external buffering needed

• Link fault indication

• 100k ECL compatible I/O

• Industrial temperature range (–40°C to +85°C)

• Complies with Bellcore, ITU/CCITT and ANSI specifications for OC-3 applications

• Available in 32-pin EPAD-TQFP

Applications

• Ethernet media converter(m)

• SONET/SDH/ATM OC-3

• Proprietary architecture at 135Mbps to 180Mbps