ZL30145
SyncE (10 GbE) SONET/SDH Rate Conversion and Jitter Attenuator PLL
Overview
| The ZL30145 is a highly integrated device that provides timing for line cards. The DPLL automatically locks to one input reference and provides two synchronized output clocks for synchronizing SONET/SDH and Synchronous Ethernet line cards. |
Simplified Block Diagram
Typical Applications
- ITU-T G.8262 Line Cards which support 1 GbE and 10 GbE interfaces
- SONET line cards up to OC-192
- SDH line cards up to STM-64
Features & Benefits
- Can be used in systems to support the requirements of ITU-T G.8262 for synchronous Ethernet Equipment slave Clocks (EEC option 1 and 2)
- Meets jitter generation requirements of Telcordia GR-253-CORE for OC-192, OC-48, OC-12 and OC-3 rates
- Meets jitter generation requirements of ITU-T G.813 for STM-64, STM-16, STM-4 and STM-1 rates
- Synchronizes to standard telecom or Ethernet clock and provides jitter filtered output clock for SONET/SDH and Synchronous Ethernet line cards
- 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)
- 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 Ethernet PHYs
- Selectable loop bandwidth of 14 Hz, 28 Hz, or 890 Hz
- Configurable through a serial interface (SPI or I2C)
- DPLL can be configured to provide synchronous or asynchronous clock outputs
- Supports IEEE 1149.1 JTAG Boundary Scan
Resources
Documentation
Application Notes
- ZLAN-212-Low_Jitter_Synchronizer_Power_Supply_Decoupling_and_Layout_Practices- Dec10.pdf
- ZLAN-442 Crystals and Oscillators for Next Generation Timing Solutions
Downloads, Firmware and Drivers
- BSDL Files:
- zl30145bsdl.zip
- IBIS Models:
- zl30145ibis.zip
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