Note: This product is not supported for new designs. Please select a NetSync™ network synchronizer clock instead for better performance, improved functionality and AccuTime™ IEEE 1588 software support.

The Si5389A clock, with internal servo algorithm, paired with the Si5388-SW protocol stack is a complete IEEE 1588 and SyncE solution targeting applications that use a centralized “pizza box” architecture.  

The Si5389A is a __description__ for Synchronous Ethernet, SONET/SDH, and PDH (T1/E1) applications. Utilizing fourth-generation DSPLL technology, the Si5389A provides any-frequency clock generation and jitter attenuation for applications requiring the highest level of jitter performance. No external loop filter components are required and the  PLL bandwidth is digitally programmable to values as low as 0.001 Hz. With phase jitter as low as 0.105 ps RMS, the Si5389A accepts 5 clock inputs ranging from 0.000001 - 750 MHz and generates up to 8 clock output frequencies ranging from 0.000001 MHz to 718.5 MHz.

The Si5389A meets all of the requirements specified by ITU-T G.8262 EEC Options 1 & 2, ITU-T G.8262.1, G.812 Type III & IV, G.813 Option 1, and Telcordia GR-1244 and GR-253 (Stratum 3/3E). When used with external IEEE 1588 stack and servo loop software, the Si5388A meets the requirements of ITU-T G.8273.1 and G.8273.2 (T-BC, T-TSC).