SY87700AL Product Brief Low-Power, 3.3V, 32Mbps to 208Mbps AnyRate® Clock and Data Recovery Description The SY87700AL is a complete clock recovery and data ratio. On-chip clock generation is performed through the retiming integrated circuit for data rates from 32Mbps up to use of a frequency multiplier PLL with a byte rate source 208Mbps NRZ. The device is ideally suited for as reference. SONET/SDH/ATM applications and other high-speed data The SY87700AL also includes a link fault detection circuit. transmission systems. All datasheets and support documentation can be found Clock recovery and data retiming is performed by on Micrel’s web site at: www.micrel.com. synchronizing the on-chip VCO directly to the incoming data stream. The VCO center frequency is controlled by the reference clock frequency and the selected divide ___________________________________________________________________________________________________________ Block Diagram AnyRate is a registered trademark of Micrel, Inc. [email protected] or (408) 955-1690 Micrel, Inc. TEL: +1 408.944.0800 FAX: + 1 408.474.1000 http://www.micrel.com Features Benefits Clock and data recovery from 32Mbps up to 208Mbps NRZ data stream Wide range of operation with no gaps Selectable reference frequencies Simplifies system design Link fault indication Indicates when CDR is locked on to incoming serial data Lower current Saves power, runs cooler Available in 32-pin EPAD-TQFP Saves board space, reduces cost Applications • SONET/SDH/ATM OC-1 and OC-3 • Fast Ethernet, SMPTE 259 • Proprietary architecture up to 208Mbps Corporate Sales Offices Location Address Telephone Fax Corporate HQ 2180 Fortune Dr. San Jose, CA 95131 USA (408) 944-0800 (408) 474-1000 Western USA 2180 Fortune Dr. San Jose, CA 95131 USA (408) 944-0800 (408) 474-1000 Central USA 2425 N. Central Expressway, Suite 351 Richardson, TX 57080 USA (972) 393-2533 (408) 474-1210 Eastern USA 93 Branch St. Medford, NJ 08055 USA (609) 654-0078 (609) 654-0989 Latin America 2425 N. Central Expressway, Suite 351 Richardson, TX 57080 USA (972) 393-2533 (408) 474-1210 China Rm 601, Bldg., Int’l Chamber of Commerce Mansion, Fuhua Rd., Futian District Shenzhen, P.R. China +86-755-8302-7618 +86-755-8302-7637 Japan Queen’s Tower A 14F, 2-3-1, Minato Mirai, Nishi-Ku, Yokohama-Shi Kanagawa 220-6014, Japan +81-45-224-6616 +81-45-224-6716 Korea 8F AnnJay Tower Bldg., 718-2, Yeoksam-Dong Kangnam-Ku, Seoul 135-080 Korea 82 (2) 538-2380 82 (2) 538-2381 New Zealand Office2, CML Bldg., 2 Perry St. Masterton, New Zealand +64-6-378-9799 +64-6-378-9599 Singapore/India 300 Beach Rd., #10-07 Concourse Singapore 199555 +65-6291-1318 +65-6291-1332 Taiwan 4F, No. 18 Lane 321, Yang-Guang St., Nei-Hu Chu Taipei 11468, Taiwan, R.O.C. +866 (2) 8751-0600 +866 (2) 8751-0746 France/Southern Europe 10 Avenue du Quebec, Villebon – B.P. 116 91944 Courtaboeuf Cedex, France +33 (0) 1.6092.4190 +33 (0) 1.6092.4189 UK/EMEA 1st Floor, 3 Lockside Place, Mill Lane, Newbury, Berks United Kingdom RG14 5QS +44 (1635) 524455` +44 (1635) 524466 Sweden/Nordic Lundagatan 11 6tr SE-171 63 Solna Sweden +46 (8) 470-5950 +46 (8) 470-5950 Micrel, Inc. TEL: +1 408.944.0800 FAX: + 1 408.474.1000 http://www.micrel.com M9999-060106