ACS8520数据手册集成电路（IC）的应用特定时钟/定时规格书PDF

特性 Features

·Highly integrated single-chip solution for the synchronous equipment timing source (SETS) function in a SONET or SDH network
·Suitable for Stratum 3, 4E, and 4, and SONET minimum clock (SMC) or SONET/SDH equipment clock (SEC) applications
·Meets specifications·Telcordia (Bellcore) 1244-CORE
·Stratum 3
·GR-253
·ITU-T G.813 Options I and II

·Accepts 14 individual input reference clocks, all with robust input clock source quality monitoring
·Simultaneously generates nine output clocks, plus two sync-pulse outputs
·Absolute holdover accuracy better than 3 x 10-10 (manual), 7.5 x 10-14 (instantaneous); holdover stability defined by choice of external XO
·Programmable PLL bandwidth, for wander and jitter tracking/attenuation, 0.1 Hz to 70 Hz in 10 steps
·Automatic hit-less source switchover on loss of input
·Phase transient protection and phase build-out on locked-to reference and on reference switching
·Microprocessor interface·Intel
·Motorola
·Serial
·Multiplexed
·Boot from EPROM

·Output phase adjustment in 6 ps steps up to ± 200 ns
·IEEE 1149.1 JTAG boundary scan
·Single 3.3 V operation; 5 V tolerant
·LQFP-100 package
·Lead (Pb) - free version available (ACS8520T), RoHS and WEEE compliant.

简介

ACS8520属于集成电路（IC）的应用特定时钟/定时。由制造生产的ACS8520应用特定时钟/定时专用时钟和计时 IC（集成电路）产品族中的产品主要用于执行与时间或频率信息生成和分配相关的各种操作，适合的设计环境较特定，例如 AMD 和 Intel 的中央处理单元 (CPU) 或图形处理单元 (GPU)、DVD 音频设备、蓝光光盘播放器、以太网设备、PCIe、SATA、光纤通道接口、车载娱乐总线等。