DESCRIPTION

The SY87700L is a complete Clock Recovery and Data Retiming integrated circuit for data rates from 32Mbps

up to 175Mbps NRZ. The device is ideally suited for SONET/SDH/ATM applications and other high-speed data

transmission systems.

FEATURES

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

■3.3V power supply

■SONET/SDH/ATM compatible

■Clock and data recovery from 32Mbps up to

175Mbps NRZ data stream, clock generation from 32Mbps to 175Mbps

■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

■Complies with Bellcore, ITU/CCITT and ANSI specifications for applications such as OC-1 and OC-3 as well as proprietary applications

■Available in 32-pin EPAD-TQFP and 28-pin SOIC packages (28-pin SOIC is available, but is not recommended for new designs.)