DESCRIPTION

The SY87700 and SY87701 Clock and Data Recovery (CDR) chips are both high-performance ICs that are

designed to provide protocol-independent clock and data recovery at any data rate between 32Mbps and 175Mbps for the SY87700 and 32Mbps to 1.25Gbps for the SY87701.

FEATURES

■3.3V power supply:

Split VCC= +2V, GND = 0V

VEE= –1.3V for 3.3V

VEE = –3V for 5.0V

■Simple switch configuration

■PECL signal outputs

■Simple RDIN+, RDIN– PECL inputs

■Simple REFCLK TTL input

■SY87700: Clock and data recovery from 32Mbps up to 175Mbps NRZ data stream, clock generation from

32Mbps to 175Mbps

■SY87701: Clock and data recovery from 32Mbps up to 1.25Gbps NRZ data stream, clock generation from

32Mbps to 1.25Gbps