AD9553/PCBZ

Flexible Clock Translator for GPON, Base Station, SONET/SDH, T1/E1, and Ethernet AD9553 FEATURES GENERAL DESCRIPTION Input frequencies from 8 kHz to 710 MHz Output frequencies up to 810 MHz LVPECL and LVDS (up to 200 MHz for CMOS output) Preset pin-programmable frequency translation ratios cover popular wireline and wireless frequency applications, including xDSL, T1/E1, BITS, SONET, and Ethernet Arbitrary frequency translation ratios via SPI port On-chip VCO Accepts a crystal resonator for holdover applications Two single-ended (or one differential) reference input(s) Two output clocks (independently programmable as LVDS, LVPECL, or CMOS) SPI-compatible, 3-wire programming interface Single supply (3.3 V) Very low power: