参数资料
型号: XRT91L34IV
厂商: Exar Corporation
文件页数: 12/38页
文件大小: 0K
描述: IC MULTIRATE CDR QUAD 128LQFP
标准包装: 72
类型: 时钟和数据恢复(CDR),扇出缓冲器(分配),多路复用器
PLL:
主要目的: SONET/SDH,STS,STM
输入: LVDS,LVPECL
输出: LVDS,LVPECL
电路数: 1
比率 - 输入:输出: 1:2
差分 - 输入:输出: 是/是
频率 - 最大: 622.08MHz
电源电压: 1.71 V ~ 3.465 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 128-LQFP
供应商设备封装: 128-LQFP(14x14)
包装: 托盘
XRT91L34
2
QUAD CHANNEL MULTIRATE STS-12/3/1 AND STM-4/1/0 SONET/SDH CDR
REV. 1.0.1
APPLICATIONS
SONET/SDH-based Transmission Systems
Add/Drop Multiplexers
Cross Connect Equipment
ATM and Multi-Service Switches, Routers and Switch/Routers
DSLAMS
SONET/SDH Test Equipment
DWDM Termination Equipment
FEATURES
Quad Channel CDR targeted for SONET STS-12/STS-3/STS-1 and SDH STM-4/STM-1/STM-0 Applications
Selectable data rate operation between 622.08 Mbps, 155.52 Mbps, or 51.84 Mbps.
Single-chip fully integrated solution containing quad-channel clock and data recovery (CDR) functions
Optional flexibility to configure for LVDS or Differential LVPECL High Speed I/O Interface
Internal 100 termination for the high speed LVDS/Differential LVPECL inputs included
Utilizes reference clock frequency of either 19.44 MHz or 77.76 MHz
Host mode serial microprocessor interface simplifies monitor and control, including LOS monitoring
Diagnostics features include LOS monitoring in Host Mode and automatic recovered data mute upon LOS
Loss of Lock Detect output for each channel
Permits mixed data rate configuration of the four channels
Independent power down control of unused channels for lower power operation
Meets Telcordia, ANSI and ITU-T G.783 and G.825 SDH jitter requirements including T1.105.03 - 2002
SONET Jitter Tolerance specification, and GR-253 CORE, GR-253 ILR SONET Jitter specifications.
Complies with ANSI/TIA/EIA-644 and IEEE P1596.3 3.3V LVDS standard, 3.3V Differential LVPECL, and
JESD 8-B LVTTL and LVCMOS standard.
Operates with dual power supply of 1.8V core and 3.3V IO supply
90mW LVDS/ 350mW Differential LVPECL per channel Typical Power Dissipation
Package: 14 x 14 x 1.4 mm 128-pin LQFP
RoHS Compliant Lead-Free package availability
ESD greater than 2kV on all pins
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