參數(shù)資料
型號(hào): XRT83SL30IVTR-F
廠商: Exar Corporation
文件頁(yè)數(shù): 25/76頁(yè)
文件大?。?/td> 0K
描述: IC LIU T1/E1/J1 SGL 64TQFP
標(biāo)準(zhǔn)包裝: 1,000
類型: 線路接口裝置(LIU)
驅(qū)動(dòng)器/接收器數(shù): 1/1
規(guī)程: T1,E1,J1
電源電壓: 3.135 V ~ 3.465 V
安裝類型: 表面貼裝
封裝/外殼: 64-LQFP
供應(yīng)商設(shè)備封裝: 64-TQFP(10x10)
包裝: 帶卷 (TR)
XRT83SL30
28
REV. 1.0.1
SINGLE-CHANNEL T1/E1/J1 SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
Table 11 summarizes the transmit terminations.
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
XRT83SL30 Line Interface Unit (LIU). The XRT83SL30 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 10: TRANSMIT TERMINATION CONTROL
TRATIO
TURNS RATIO
0
1:2
1
1:2.45
TABLE 11: TRANSMIT TERMINATIONS
TERSEL1
TERSEL0
TXTSEL
TRATIO
Rint
n
Rext
Cext
0=EXTERNAL
SET BY
CONTROL
BITS
n, Rext, AND Cext ARE SUGGESTED
SETTINGS
1=INTERNAL
T1
100
0
2.45
3.1
0
1
0
2
3.1
0
1
x
100
2
0
0.68
F
J1
110
0
1
0
2.45
3.1
0
1
0
1
0
2
3.1
0
1
x
110
2
0
0.68
F
E1
75
1
0
2.45
6.2
0
1
0
1
0
2
9.1
0
1
0
1
x
75
2
0
0.68
F
E1
120
1
0
2.45
6.2
0
1
0
1
0
2
9.1
0
1
x
120
2
0
0.68
F
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