ACS8509中文资料同步设备定时源用于SONET或SDH网络单元数据手册Semtech规格书

特性 Features

·Suitable for Stratum 3E*, 3, 4E, 4 and SONET
·Minimum Clock (SMC) or SONET/SDH Equipment
·Clock (SEC) applications
·Meets AT&T, ITU-T, ETSI and Telcordia specifications
·Accepts four individual input reference clocks
·Generates six output clocks
·Supports Free-run, Locked and Holdover modes of
·operation
·Robust input clock source quality monitoring on all
·inputs
·Automatic “hit-less” source switchover on loss of input
·Phase build-out for output clock phase continuity during input switchover and mode transitions
·Microprocessor interface - Intel, Motorola, Serial, Multiplexed, EPROM
·Programmable wander and jitter tracking attenuation
·0.1 Hz to 20 Hz
·Support for Master/Slave device configuration
·alignment and hot/standby redundancy
·IEEE 1149.1 JTAG Boundary Scan
·Single +3.3 V operation, +5 V I/O compatible
·Operating temperature (ambient) -40°C to +85°C
·Available in 100 pin LQFP package.
·Lead (Pb)-free version available (ACS8509T), RoHS and WEEE compliant.
Note...* Meets holdover requirements, lowest bandwidth 0.1 Hz.