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ZL30116

SONET/SDH System Synchronizer

Status: In Production

Features:

  • Supports the requirements of Telcordia GR-253 and GR-1244 for Stratum 3, 4E, 4 and SMC clocks, and the requirements of ITU-T G.781 SETS, G.813 SEC, G.823, G.824 and G.825 clocks
  • Internal APLL provides standard output clock frequencies up to 622.08 MHz that meet jitter requirements for interfaces up to OC-192/STM-64
  • Programmable output synthesizers 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
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Device Overview

Summary

The ZL30116 SONET/SDH System Synchronizer is a highly integrated device that provides the functionality required for synchronizing network equipment. 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.

Additional Features
  • Supports the requirements of Telcordia GR-253 and GR-1244 for Stratum 3, 4E, 4 and SMC clocks, and the requirements of ITU-T G.781 SETS, G.813 SEC, G.823, G.824 and G.825 clocks
  • Internal APLL provides standard output clock frequencies up to 622.08 MHz that meet jitter requirements for interfaces up to OC-192/STM-64
  • Programmable output synthesizers 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
  • Supports master/slave configuration for AdvancedTCATM
  • Configurable input to output delay and output to output phase alignment
  • Optional external feedback path provides dynamic input to output delay compensation
Parametrics
Name
Value
Type
PDH/SDH
DPLL Bandwidth (Hz)
2
Inputs
8
Diff Outputs
2
CMOS Outputs
7
Typical Jitter (12kHz-20MHz) fs RMS
OC-192/STM-64
Diff InputFreq Range
8 khz - 77.76 Mhz
Output Freq Range
622.08
NV Memory
N/A
NCO ppb
N/A
Align
4

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