Synchronous Ethernet Two-Channel PLL for 10GbE and 40GbE
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概览
简介
IDT 82V3911 is a single chip, two channel synchronous Ethernet (SyncE) PLL. The device supports ITU-T G.8262, G.813 and Telcordia GR-253-CORE compliance with hitless reference switching, frequency translation and jitter attenuation. Its ultra-low jitter generation makes it suitable for timing 10GBASE-R, 10GBASE-W, OC-192/STM-64 or 40GBASE-R PHYs.
The high-integration architecture minimizes component count and board space by including two independent digital PLLs (DPLLs); one for the transmit PHY function and one to provide recovered line timing to the system’s synchronous equipment timing source (SETS). Two independent jitter attenuating analog PLLs (APLLs) are also integrated; these APLLs generate clocks with jitter below 0.3 ps RMS over the 10 kHz to 20 MHz integration range and can be used to directly time 10GbE or 40GbE network PHYs or other high speed interfaces.
The DPLLs lock to a wide variety of telecom and Ethernet reference frequencies and suppress reference switching transients to generate highly-reliable output clocks for optimal network performance. IDT 82V3911 offers a network PHY timing solution optimized for use in Ethernet switches, routers, multiservice switching platforms, wireless backhaul equipment and other communications infrastructure. IDT 82V3911 is available in a 196-ball 15 x 15 mm CABGA package and supports standard industrial temperature range from -40degC to +85degC.
特性
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Single chip two channel SyncE PLL with hitless reference switching
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Jitter generation <0.3 ps RMS (10 kHz to 20 MHz) meets the most stringent 10G PHY requirements
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Two ultra-low-jitter analog PLLs support three clock modes: 622.08 MHz, 625 MHz and 625 MHz x 66/64
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Generates interface clocks (1GE, 10GBASE-R, 10GBASE-W and 40GBASE-R) and SONET/SDH (OC-192/STM-64)
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Supports ITU-T G.8262 SyncE compliant equipment
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Supports Telcordia GR-253-CORE and ITU-T G.813 SONET/SDH compliant equipment
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Integrates 2 DPLLs, one the transmit path and one for receive path
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Supports input and output clocks whose frequencies range from 2 kHz to 625 MHz x 66/64
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Accepts 1 pulse per second (1PPS) sync pulse
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Complemented by IDT 82V3910 SyncE SETS for 10GbE and 40GbE
产品对比
应用
设计和开发
软件与工具
模型
ECAD 模块
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Processing table
| CABGA | 196 | C | Yes | Tray | 43.63 | ||
| CABGA | 196 | C | Yes | Reel |
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