參數(shù)資料
型號: XRT83SL28
廠商: Exar Corporation
英文描述: 8-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT
中文描述: 8路E1短途線路接口單元
文件頁數(shù): 10/47頁
文件大小: 377K
代理商: XRT83SL28
XRT83SL28
8-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT
xr
REV. 1.0.0
8
TPOS7
TPOS6
TPOS5
TPOS4
TPOS3
TPOS2
TPOS1
TPOS0
70
67
114
111
39
42
139
142
I
TPOS/TDATA Input
Transmit digital input pin. In dual rail mode, this pin is the transmit positive
data input. In single rail mode, this pin is the transmit non-return to zero (NRZ)
data input.
TNEG7
TNEG6
TNEG5
TNEG4
TNEG3
TNEG2
TNEG1
TNEG0
71
68
113
110
38
41
140
143
I
Transmit Negative Data Input
In dual rail mode, this pin is the transmit negative data input. In single rail
mode, this pin can be tied to ground.
TTIP7
TTIP6
TTIP5
TTIP4
TTIP3
TTIP2
TTIP1
TTIP0
78
84
97
103
31
25
12
6
O
Transmit Differential Tip Output
TTIP is the positive differential output to the line interface. Along with the
TRING signal, these pins should be coupled to a 1:2 step up transformer for
proper operation.
TRING7
TRING6
TRING5
TRING4
TRING3
TRING2
TRING1
TRING0
80
82
99
101
29
27
10
8
O
Transmit Differential Ring Output
TRING is the negative differential output to the line interface. Along with the
TTIP signal, these pins should be coupled to a 1:2 step up transformer for
proper operation.
CONTROL FUNCTION
N
AME
P
IN
T
YPE
D
ESCRIPTION
ICT
35
I
In Circuit Testing
When this pin is tied "Low", all output pins are forced to "High" impedance for
in circuit testing.
N
OTE
:
Internally pulled "High" with a 50K
resistor.
MCLK
17
I
Master Clock Input
This pin is used as the internal reference to the LIU. This clock must be
2.048MHz +/-50ppm.
TRANSMITTER SECTION
N
AME
P
IN
T
YPE
D
ESCRIPTION
相關(guān)PDF資料
PDF描述
XRT83SL28IV 8-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT
XRT83SL30 SINGLE-CHANNEL T1/E1/J1 SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
XRT83SL30IV SINGLE-CHANNEL T1/E1/J1 SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
XRT83VSH28 8-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT
XRT83VSH28IB 8-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT
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