DESCRIPTION The SY87702L is a complete Clock Recovery and Data retiming integrated circuit for data rates from 28Mbps up to 2.5Gbps NRZ. The device is ideally suited for SONET/SDH/ATM, Fibre Channel, and Gigabit Ethernet applications, as well as other high-speed data transmission applications. FEATURES ■ 3.3V power supply ■ Complies with Bellcore, ITU/CCITT and ANSI specifications for applications such as OC-1, OC-3, OC-12, OC-48*, and ATM ■ Compatible with FDDI, Gigabit Ethernet, Fibre Channel, 2X Fibre Channel, SMPTE 259 and 292, and proprietary applications ■ Low power ■ Clock and data recovery from 28Mbps up to 2.5Gbps NRZ data stream ■ Selectable reference frequencies via programmable multiplier ■ Differential PECL and CML high-speed serial outputs ■ Line receiver input: no external buffering needed ■ Link fault indication ■ 100K ECL compatible I/O ■ Available in 64-Pin EP-TQFP package ■ Product obsolete. Use SY87721L for new designs APPLICATIONS ■ Transponders and section repeaters ■ Multiplexers: access, add drop (ADM), and terminal (TM) ■ SONET/SDH/ATM: -based transmission systems, modules, and test equipment ■ Terabit routers and broadband cross-connects ■ Fibre optic test equipment ■ HDTV switching and transmission
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