參數(shù)資料
型號(hào): XRT83VL38IB-F
廠商: Exar Corporation
文件頁(yè)數(shù): 35/95頁(yè)
文件大?。?/td> 0K
描述: IC LIU SH T1/E1/J1 OCTAL 225BGA
標(biāo)準(zhǔn)包裝: 84
類型: 線路接口裝置(LIU)
驅(qū)動(dòng)器/接收器數(shù): 8/8
規(guī)程: E1
電源電壓: 3.14 V ~ 3.47 V
安裝類型: 表面貼裝
封裝/外殼: 225-BGA
供應(yīng)商設(shè)備封裝: 225-BGA(19x19)
包裝: 托盤
其它名稱: 1016-1481
XRT83VL38IB-F-ND
XRT83VL38
36
OCTAL T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
REV. 1.0.1
REDUNDANCY APPLICATIONS
Telecommunication system design requires signal integrity and reliability. When a T1/E1 primary line card has
a failure, it must be swapped with a backup line card while maintaining connectivity to a backplane without
losing data. System designers can achieve this by implementing common redundancy schemes with the
XRT83VL38 Line Interface Unit (LIU). The XRT83VL38 offers features that are tailored to redundancy
applications while reducing the number of components and providing system designers with solid reference
designs. These features allow system designers to implement redundancy applications that ensure reliability.
The Internal Impedance mode eliminates the need for external relays when using the 1:1 and 1+1 redundancy
schemes.
TABLE 9: TRANSMIT TERMINATIONS
TERSEL1
TERSEL0
TXTSEL
Rint
n (turns Ratio)
Rext
Cext
0=EXTERNAL
SET BY
CONTROL
BITS
n, Rext, AND Cext ARE SUGGESTED
SETTINGS
1=INTERNAL
T1
100
0
2
3.1
0
1
12.5
2
0
0.68
F
J1
110
0
1
0
2
3.1
0
1
13.75
2
0
0.68
F
E1
75
1
0
E1 external Transmit termination not supported
1
0
1
9.4
2
0
0.68
F
E1
120
1
0
E1 external Transmit termination not supported
1
15
2
0
0.68
F
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