ACS8526中文资料LC / P PDH，SONET建兴线卡保护开关，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/SDH applications
·High performance DPLL/APLL solution
·Output jitter compliant to STM-1
·Two independent SEC inputs ports (TTL)
·Four independent output ports: .ul
·Two clock ports: one PECL/LVDS, one TTL
·Two Syncs (TTL): 8 kHz FrSync & 2 kHz MFrSync./ul
·TTL I/O ports: spot frequencies 2 kHz to 77.76 MHz
·PECL/LVDS port: spot frequencies 2 kHz to 311 MHz
·N x E1/DS1 mode
·Programmable pulse width and polarity on Syncs
·SONET/SDH frequency translation
·Digital Holdover mode on input failure
·Separate activity monitors and register alarms on each input
·\"Loss of activity\" on selected input flagged on dedicated pin
·Source switch under external hardware control
·PLL \"Locked\" and \"Acquisition\" bandwidth selectable from 18, 35 or 70 Hz
·Configurable via serial interface or hardware pins
·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 to +85 °C
·Available in 64-pin LQFP package