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)： 16/54頁
文件大?。?/td> 356K
代理商： XRT82L38
XRT82L38
OCTAL E1/T1/J1 LINE TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
REV. P1.0.5
PRELIMINARY
14
136
RxPOS_2
RData_2
O
O
Receiver 2 Positive Data Output:
In dual-rail mode, this signal is the receive p-rail output data.
Receiver 2 NRZ Data Output:
In single-rail mode, this signal is the receive output data.
137
RxNEG_2
LCV_2
O
O
Receiver 2 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".
138
TxNEG_2
I
Transmitter 2 Negative Data Input:
In dual-rail mode, this signal is the n-rail data input for transmitter 2.
In single-rail mode, this pin can be left unconnected.
N
OTE
:
Internally pulled
“
High
”
with a 50K
resistor.
139
TxPOS_2
TData_2
I
Transmitter 2 Positive Data Input:
In dual-rail mode, this signal is the p-rail input data for transmitter 2.
Transmitter 2 NRZ Data Input:
In single-rail mode, this signal is used as the NRZ input data for transmitter 2.
N
OTE
:
Internally pulled
“
High
”
with a 50K
resistor.
140
TxClk_2
I
Transmitter 2 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.
141
TxNEG_1
I
Transmitter 1 Negative Data Input:
In dual-rail mode, this signal is the n-rail data input for transmitter 0.
In single-rail mode, this pin can be left unconnected.
N
OTE
:
Internally pulled
“
High
”
with a 50K
resistor.
142
TxPOS_1
TData_1
I
I
Transmitter 1 Positive Data Input:
In dual-rail mode this signal is the p-rail input data for transmitter 0.
Transmitter 1 NRZ Data Input:
In single-rail mode this signal is uswd as the NRZ input data for transmitter 0.
N
OTE
:
Internally pulled
“
High
”
with a 50K
resistor.
143
TxClk_1
I
Transmitter 1 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.
144
RxLOS_1
O
Receiver 1 Loss of Signal:
This signal is asserted "High" to indicate loss of signal at the receive input.
PIN DESCRIPTION
P
IN
#
N
AME
T
YPE
D
ESCRIPTION
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