参数资料
型号: XRT75L03DIV-F
厂商: Exar Corporation
文件页数: 28/134页
文件大小: 0K
描述: IC LIU E3/DS3/STS-1 3CH 128LQFP
标准包装: 72
类型: 线路接口装置(LIU)
驱动器/接收器数: 3/3
规程: DS3,E3,STS-1
电源电压: 3.135 V ~ 3.465 V
安装类型: 表面贴装
封装/外壳: 128-LQFP 裸露焊盘
供应商设备封装: 128-LQFP(14x20)
包装: 托盘
á
XRT75L03D
THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
REV. 1.0.0
118
9.7.2
Wander Measurement Test Results
Wander Measurement test results will be provided in the next revision of the XRT75L03D Data Sheet.
9.8
Designing with the XRT75L03D
In this section, we will discuss the following topics.
How to design with and configure the XRT75L03D to permit a system to meet the above-mentioned Intrinsic
Jitter and Wander requirements.
How is the XRT75L03D able to meet the above-mentioned requirements?
How does the XRT75L03D permits the user to comply with the SONET APS Recovery Time requirements of
50ms (per Telcordia GR-253-CORE)?
How should one configure the XRT75L03D, if one needs to support "Daisy-Chain" Testing at the end
Customer's site?
9.8.1
How to design and configure the XRT75L03D to permit a system to meet the above-
mentioned Intrinsic Jitter and Wander requirements
As mentioned earlier, in most application (in which the XRT75L03D will be used in a SONET De-Sync
Application) the user will typically interface the XRT75L03D to a Mapper device in the manner as presented
below in Figure 57.
In this application, the Mapper has the responsibility of receiving a SONET STS-N/OC-N signal and extracting
as many as N DS3 signals from this signal. As a given channel within the Mapper IC extracts out a given DS3
signal (from SONET) it will typically be applying a Clock and Data signal to the "Transmit Input" of the LIU IC.
Figure 57 presents a simple illustration as to how one channel, within the XRT75L03D should be connected to
the Mapper IC.
As mentioned above, the Mapper IC will typically output a Clock and Data signal to the XRT75L03D. In many
cases, the Mapper IC will output the contents of an entire STS-1 data-stream via the Data Signal to the
XRT75L03D.
However, the Mapper IC typically only supplies a clock pulse via the Clock Signal to the
XRT75L03D coincident to whenever a DS3 bit is being output via the Data Signal. In this case, the Mapper IC
would not supply a clock edge coincident to when a TOH, POH or any non-DS3 data-bit is being output via the
Data-Signal.
FIGURE 57. ILLUSTRATION OF THE XRT75L03D BEING CONNECTED TO A MAPPER IC FOR SONET DE-SYNC APPLI-
CATIONS
DS3 to STS-N
Mapper/
Demapper
IC
DS3 to STS-N
Mapper/
Demapper
IC
XRT75L03D
STS-N Signal
TPDATA_n input pin
TCLK_n input
De-Mapped (Gapped)
DS3 Data and Clock
相关PDF资料
PDF描述
XRT75L03IV-F IC LIU E3/DS3/STS-1 3CH 128LQFP
XRT75L04DIV-F IC LIU E3/DS3/STS-1 4CH 176TQFP
XRT75L04IV-F IC LIU E3/DS3/STS-1 4CH 176LQFP
XRT75L06DIB-F IC LIU E3/DS3/STS-1 6CH 217BGA
XRT75L06IB-F IC LIU E3/DS3/STS-1 6CH 217BGA
相关代理商/技术参数
参数描述
XRT75L03DIVTR 功能描述:时钟合成器/抖动清除器 3CHNNEL E3/DS3/STS 1 SONET DE-SYNCH RoHS:否 制造商:Skyworks Solutions, Inc. 输出端数量: 输出电平: 最大输出频率: 输入电平: 最大输入频率:6.1 GHz 电源电压-最大:3.3 V 电源电压-最小:2.7 V 封装 / 箱体:TSSOP-28 封装:Reel
XRT75L03DIVTR-F 功能描述:接口 - 专用 RoHS:否 制造商:Texas Instruments 产品类型:1080p60 Image Sensor Receiver 工作电源电压:1.8 V 电源电流:89 mA 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:BGA-59
XRT75L03ES 功能描述:时钟合成器/抖动清除器 3 CH T3/E3/STS1 LIU+JA 3.3V RoHS:否 制造商:Skyworks Solutions, Inc. 输出端数量: 输出电平: 最大输出频率: 输入电平: 最大输入频率:6.1 GHz 电源电压-最大:3.3 V 电源电压-最小:2.7 V 封装 / 箱体:TSSOP-28 封装:Reel
XRT75L03IV 功能描述:外围驱动器与原件 - PCI 3CH E3/DS3/STS1 JITTER ATTENUATOR RoHS:否 制造商:PLX Technology 工作电源电压: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:FCBGA-1156 封装:Tray
XRT75L03IV-F 功能描述:外围驱动器与原件 - PCI 3-Ch DS3, E3, STS-1 RoHS:否 制造商:PLX Technology 工作电源电压: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:FCBGA-1156 封装:Tray