Description
The ACS8510 is a highly integrated, single-chip solution for the Synchronous Equipment Timing Source (SETS) function in a SONET or SDH Network Element. The device generates SONET or SDH Equipment Clocks (SEC) and frame synchronization clocks. The ACS8510 is fully compliant with the required specifications and standards.

Features
• Suitable for Stratum 3E*, 3, 4E and 4 SONET or SDH Equipment Clock (SEC) applications
• Meets AT&T, ITU-T, ETSI and Telcordia specifications
• Accepts 14 individual input reference clocks
• Generates 11 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