参数资料
型号: XRT75L03DIV-F
厂商: Exar Corporation
文件页数: 5/134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
XRT75L03D
á
REV. 1.0.0
THREE CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
97
Figure 36 was copied directly out of Telcordia GR-253-CORE. However, this figure can be simplified and
redrawn as depicted below in Figure 37.
FIGURE 36. AN ILLUSTRATION OF TELCORDIA GR-253-CORE'S RECOMMENDATION ON HOW MAP DS3 DATA INTO
AN
STS-1 SPE
FIGURE 37. A SIMPLIFIED "BIT-ORIENTED" VERSION OF TELCORDIA GR-253-CORE'S RECOMMENDATION ON HOW
TO MAP
DS3 DATA INTO AN STS-1 SPE
For DS3 Mapping, the STS-1 SPE has the following structure.
25I
I
C3
R
25I
I
C2
R
25I
C1
R
25I
I
C3
R
25I
I
C2
R
25I
C1
R
25I
I
C3
R
25I
I
C2
R
25I
C1
R
25I
I
C3
R
25I
I
C2
R
25I
C1
R
25I
I
C3
R
25I
I
C2
R
25I
C1
R
25I
I
C3
R
25I
I
C2
R
25I
C1
R
25I
I
C3
R
25I
I
C2
R
25I
C1
R
25I
I
C3
R
25I
I
C2
R
25I
C1
R
25I
I
C3
R
25I
I
C2
R
25I
C1
R
POH
87 bytes
R = [r, r, r, r, r, r, r, r]
I = [i, i, i, i, i, i, i, i]
C1 = [r, r, c, i, i, i, i, i]
C2 = [c, c, r, r, r, r, r, r]
C3 = [c, c, r, r, o, o, r, s]
i = DS3 data
r = fixed stuff bit
c = stuff control bit
s = stuff opportunity bit
o = overhead communications channel bit
Fixed
Stuff
208i
s
1r
2o
2r
2c
16r
208i
6r
2c
16r
205i
c
18r
208i
s
1r
2o
2r
2c
16r
208i
6r
2c
16r
205i
c
18r
208i
s
1r
2o
2r
2c
16r
208i
6r
2c
16r
205i
c
18r
208i
s
1r
2o
2r
2c
16r
208i
6r
2c
16r
205i
c
18r
208i
s
1r
2o
2r
2c
16r
208i
6r
2c
16r
205i
c
18r
208i
s
1r
2o
2r
2c
16r
208i
6r
2c
16r
205i
c
18r
208i
s
1r
2o
2r
2c
16r
208i
6r
2c
16r
205i
c
18r
208i
s
1r
2o
2r
2c
16r
208i
6r
2c
16r
205i
c
18r
208i
s
1r
2o
2r
2c
16r
208i
6r
2c
16r
205i
c
18r
r
c
s
i
o
- Fixed Stuff Bits
- Stuff Control/Indicator Bits
- DS3 Data Bits
- Stuff Opportunity Bits
- Overhead Communication Bits
POH
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