HomedatasheetZL30143

ZL30143 Datasheet

SyncE SONET/SDH G.8262/Stratum3 System Synchronizer/SETS
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Description

Overview
The ZL30143 System Synchronizer and SETS device is a highly integrated device that provides all of the functionality that is required for a central timing card in carrier grade network equipment. The basic functions of a central timing card include:
• Input reference monitoring for both frequency accuracy and phase irregularities
• Automatic input reference selection
• Support of both external timing and line timing modes
• Hitless reference switching
• Wander and jitter filtering
• Master/slave crossover for minimizing phase alignment between redundant timing cards
• Independent derived output timing path for support of the SETS functionality

Features
• Supports the requirements of ITU-T G.8262 for
   synchronous Ethernet Equipment slave Clocks
   (EEC option 1 and 2)
• Supports the requirements of Telcordia GR-1244
   Stratum 3 and GR-253, ITU-T G.813, and G.781
   SETS
• Supports ITU-T G.823, G.824 and G.8261 for 2048
   kbit/s and 1544 kbit/s interfaces
• Meets the SONET/SDH jitter generation
   requirements up to OC-48/STM-16
• Synchronizes to telecom reference clocks (2 kHz,
   N*8 kHz up to 77.76 MHz, 155.52 MHz) or to
   Ethernet reference clocks (25 MHz, 50 MHz,
   62.5 MHz, 125 MHz)
• Supports composite clock inputs (64 kHz, 64 kHz +
   8 kHz, 64kHz + 8 kHz + 400 Hz)
• Generates standard SONET/SDH clock rates (e.g.,
   19.44 MHz, 38.88 MHz, 77.76 MHz, 155.52 MHz,
   622.08 MHz) or Ethernet clock rates (e.g., 25 MHz,
   50 MHz, 125 MHz, 156.25 MHz, 312.5 MHz) for
   synchronizing Gigabit Ethernet PHYs
• Programmable output synthesizers (P0, P1)
   generate telecom clock frequencies from any
   multiple of 8 kHz up to 100 MHz
• Generates several styles of telecom frame pulses
   with selectable pulse width, polarity and frequency
• Provides two DPLLs which are independently
   configurable through a serial interface
• Internal state machine automatically controls
   mode of operation (free-run, locked, holdover)
• Flexible input reference monitoring automatically
   disqualifies references based on frequency and
   phase irregularities
• Provides automatic reference switching and
   holdover during loss of reference input
• Supports master/slave configuration and dynamic
   input to output delay compensation for
   AdvancedTCA™
• Configurable input to output delay and output to
   output phase alignment

Applications
• ITU-T G.8262 System Timing Cards which support
   1 GbE and 10 GbE interfaces
• Telcordia GR-253 Carrier Grade SONET/SDH
   Stratum 3 System Timing Cards
• System Timing Cards which supports ITU-T G.781
   SETS (SDH Equipment Timing Source)

Features

Parameters


Manufacturer information

MICROSEMI CORPORATION

Microsemi Corporation offers a comprehensive portfolio of semiconductor and system solutions for aerospace & defense, communications, data center and industrial markets. Products include high-performance and radiation-hardened analog mixed-signal integrated circuits, FPGAs, SoCs and ASICs; power management products; timing and synchronization devices and precise time solutions, setting the world’s standard for time; voice processing devices; RF solutions; discrete components; enterprise storage and communication solutions, security technologies and scalable anti-tamper products; Ethernet solutions; Power-over-Ethernet ICs and midspans; as well as custom design capabilities and services.

Microsemi is now a subsidiary of Microchip Technology Inc.


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