Microchip Technology, Inc. SONET/SDH Line Card System Synchronizer ZL30123

The ZL30123 SONET/SDH Line Card Synchronizer is a highly integrated device that provides timing and synchronization for network interface cards. It incorporates two independent DPLLs, each capable of locking to one of eight input references and provides a wide variety of synchronized output clocks and frame pulses. Click here for secure documentation Additional Features Typical Applications AMCs for AdvancedTCATMand MicroTCA Systems Multi-Service Edge Switches or Routers DSLAM Line Cards WAN Line Cards RNC/Mobile Switching Center Line Cards ADM Line Cards Features & Benefits Synchronizes with standard telecom system references and synthesizes a wide variety of protected telecom line interface clocks that are compliant with Telcordia GR-253-CORE and ITU-T G.813 Internal APLL provides standard output clock frequencies up to 622.08 MHz with jitter < 3 ps RMS suitable for GR-253-CORE OC-12 and G.813 STM-16 interfaces Provides two DPLLs which are independently configurable through a serial peripheral interface Programmable output synthesizers (P0, P1) generate clock frequencies from any multiple of 8 kHz up to 77.76 MHz in addition to 2 kHz Provides 8 reference inputs which support clock frequencies with any multiples of 8 kHz up to 77.76 MHz in addition to 2 kHz Provides 3 sync inputs for output frame pulse alignment Generates several styles of output frame pulses with selectable pulse width, polarity, and frequency Configurable input to output delay, and output to output phase alignment