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參數(shù)資料
| 型號(hào)： | XRT82L38 |
| 廠商： | Exar Corporation |
| 英文描述： | Octal E1/T1/J1 Line Transceiver with Clock Recovery and Jitter Attenuator(八 T1/E1/J1線收發(fā)器（帶時(shí)鐘恢復(fù)和振蕩衰減器）) |
| 中文描述： | 八進(jìn)制E1/T1/J1線收發(fā)器時(shí)鐘恢復(fù)和抖動(dòng)衰減器（八的T1/E1/J1線收發(fā)器（帶時(shí)鐘恢復(fù)和振蕩衰減器）） |
| 文件頁數(shù)： | 12/54頁 |
| 文件大?。?/td> | 356K |
| 代理商： | XRT82L38 |
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XRT82L38
OCTAL E1/T1/J1 LINE TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
REV. P1.0.5
PRELIMINARY
10
65
RxNEG_7
LCV_7
O
O
Receiver 7 Negative Data Output:
In dual-rail mode, this signal is the receive n-rail output data.
Line Code Violation Output:
In single-rail mode, this signal output goes "High" for one receiveclock cycle
to indicate a code violation is detected in the received data. If AMI coding is
selected, every bipolar violation received will cause this pin to go "High".
66
TxNEG_7
I
Transmitter 7 Negative Data Input:
In dual-rail mode, this signal is the n-rail data input for transmitter 7.
In single-rail mode, this pin can be left unconnected.
N
OTE
:
Internally pulled
“
High
”
with a 50K
resistor.
67
TxPOS_7
TData_7
I
I
Transmitter 7 Positive Data Input:
In dual-rail mode, this signal is the p-rail input data for transmitter 7.
Transmitter 7 NRZ Data Input:
In single-rail mode, this signal is used as the NRZ input data for transmitter 7.
N
OTE
:
Internally pulled
“
High
”
with a 50K
resistor.
68
TxClk_7
I
Transmitter 7 Clock Input:
E1 rate at 2.048MHz ± 50ppm and T1 rate at 1.544MHz ± 32ppm( (see pin 38
description for transmitter shut down.)
N
OTE
:
Internally pulled
“
High
”
with a 50K
resistor.
69
TxNEG_4
I
Transmitter 4 Negative Data Input:
In dual-rail mode, this signal is the n-rail data input for transmitter 4. In sin-
gle-rail mode, this pin can be left unconnected.
N
OTE
:
Internally pulled
“
High
”
with a 50K
resistor.
70
TxPOS_4
TData_4
I
I
Transmitter 4 Positive Data Input:
In dual-rail mode, this signal is the p-rail input data for transmitter 4.
Transmitter 4 NRZ Data Input:
In single-rail mode, this signal is used as the NRZ input data for transmitter 4.
N
OTE
:
Internally pulled
“
High
”
with a 50K
resistor.
71
TxClk_4
I
Transmitter 4 Clock Input:
E1 rate at 2.048MHz ± 50ppm and T1 rate at 1.544MHz ± 32ppm( (see pin 38
description for transmitter shut down.)
N
OTE
:
Internally pulled
“
High
”
with a 50K
resistor.
72
RxLOS_4
O
Receiver 4 Loss of Signal:
This signal is asserted "High" to indicate loss of signal at the receive input.
73
RxClk_4
O
Receiver 4 Clock Output:
74
RxNEG_4
LCV_4
O
O
Receiver 4 Negative Data Output:
In dual-rail mode, this signal is the receive n-rail output data.
Line Code Violation Output:
In single-rail mode, this signal output goes "High" for one receiveclock cycle
to indicate a code violation is detected in the received data. If AMI coding is
selected, every bipolar violation received will cause this pin to go "High".
75
RxPOS_4
RData_4
O
O
Receiver 4 Positive Data Output:
In dual-rail mode, this signal is the receive p-rail output data.
Receiver 4 NRZ Data Output:
In single-rail mode, this signal is the receive output data.
PIN DESCRIPTION
P
IN
#
N
AME
T
YPE
D
ESCRIPTION
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