ACS8527中文资料PDH，muxpll线卡保护开关SONET或SDH系统数据手册Semtech规格书

特性 Features

·Line card protection switch: partners Semtech SETS devices for Stratum 3E/3/4E/4 PDH, SONET or SDH applications
·High-performance DPLL/APLL solution
·Output jitter compliant to STM-1
·Two independent SEC input ports (TTL)
·Four independent output ports:·Two clock ports: one LVDS, one TTL
·Two Syncs (TTL): 8 kHz FrSync & 2 KHz MFrSync

·I/O frequencies configurable via hardware pins:·TTL I/O ports: spot frequencies 1.544 MHz to 77.76 MHz
·LVDS output port: spot frequencies 19.44 MHz to 155.52 MHz

·Digital holdover mode on input failure
·\"Loss of activity\" on selected input flagged on dedicated pin
·Source switch under external hardware control
·7O Hz (acquisition) / 35 Hz (locked) DPLL bandwidth
·Output clock phase continuity to GR-1244-CORE
·Single 3.3 V operation, 5 V I/O compatible
·IEEE 1149.1 JTAG boundary scan is supported
·Operating temperature (ambient) of -40°C to +85°C
·Available in LQFP-64 package
·Lead (Pb)-free version available (ACS8527T). RoHS and WEE compliant