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.

簡介

ACS8509屬于集成電路（IC）的應(yīng)用特定時鐘/定時。由制造生產(chǎn)的ACS8509應(yīng)用特定時鐘/定時專用時鐘和計時 IC（集成電路）產(chǎn)品族中的產(chǎn)品主要用于執(zhí)行與時間或頻率信息生成和分配相關(guān)的各種操作，適合的設(shè)計環(huán)境較特定，例如 AMD 和 Intel 的中央處理單元 (CPU) 或圖形處理單元 (GPU)、DVD 音頻設(shè)備、藍光光盤播放器、以太網(wǎng)設(shè)備、PCIe、SATA、光纖通道接口、車載娛樂總線等。