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XRT81L27IV Datasheet(PDF) 10 Page - Exar Corporation

Part # XRT81L27IV
Description  SEVEN CHANNEL E1 LINE INTERFACE UNIT WITH CLOCK RECOVERY
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Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation

XRT81L27IV Datasheet(HTML) 10 Page - Exar Corporation

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XRT81L27
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SEVEN CHANNEL E1 LINE INTERFACE UNIT WITH CLOCK RECOVERY
REV. 1.1.0
8
102
RPOS_3/
RDATA_3
O
Receiver 3 Positive/NRZ Data Output: (see pin 35)
103
AVDD
AVdd
Analog Positive Supply(3.3V± 5%)
104
AGND
Gnd
Analog Supply Ground
105
TClk_1
I
Transmitter 1 Clock Input: E1 rate at 2.048MHz ± 50ppm.
106
TPOS_1/
TDATA_1
I
Transmitter 1 Positive/ NRZ Data Input: (see pin 38)
107
TNEG_1/
CODE_1
I-L
Transmitter 1 Negative Data Input: (see pin 39)
108
TAOS_1
I-L
Transmit All Ones Channel_1: (see pin 40)
109
TClk_3
I
Transmitter 3 Clock Input: E1 rate at 2.048MHz ± 50ppm.
110
TPOS_3/
TDATA_3
I
Transmitter 3 Positive/ NRZ Data Input: (see pin 38)
111
TNEG_3/
CODE_3
I-L
Transmitter 3 Negative Data Input: (see pin 39)
112
TAOS_3
I-L
Transmit All Ones Channel_4: (see pin 40)
113
TAOS_2
I-L
Transmit All Ones Channel_ 2: (see pin 40)
114
TNEG_2/
CODE_2
I-L
Transmitter 2 Negative Data Input: (see pin 39)
115
TPOS_2/
TDATA_2
I
Transmitter 2 Positive/ NRZ Data Input: (see pin 38)
116
TClk_2
I
Transmitter 2 Clock Input: E1 rate at 2.048MHz ± 50ppm.
117
TAOS_0
I-L
Transmit All Ones Channel_ 0: (see pin 40)
118
TNEG_0/
CODE_0
I-L
Transmitter 0 Negative Data Input: (see pin 39)
119
TPOS_0/
TDATA_0
I
Transmitter 0 Positive/ NRZ Data Input: (see pin 38)
120
TClk_0
I
Transmitter 0 Clock Input: E1 rate at 2.048MHz ± 50ppm.
121
GND
Gnd
Digital Supply Ground
122
VDD
Vdd
Digital Positive Supply(3.3V± 5%)
123
RPOS_2/
RDATA_2
O
Receiver 2 Positive/NRZ Data Output: (see pin 35)
124
RNEG_2/
LCV_2
O
Receiver 2 Negative Data Output: (see pin 34)
125
RClk_2
O
Receiver 2 Clock Output:
126
LOS_2
O
Receiver 2 Loss of Signal: (see pin 2)
PIN DESCRIPTIONS
NOTE: I -H indicates an input pin with a 50k
Ω pull-up Resistor, I-L indicates an input pin with a 50kΩ pull-down resistor.
PIN #NAME
TYPE
DESCRIPTION


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