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