XRT81L27 Datasheet, PDF (11/30 Pages) Exar Corporation – SEVEN CHANNEL E1 LINE INTERFACE UNIT WITH CLOCK RECOVERY

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XRT81L27
SEVEN CHANNEL E1 LINE INTERFACE UNIT WITH CLOCK RECOVERY
REV. 1.1.0
PIN DESCRIPTIONS
NOTE: I -H indicates an input pin with a 50kΩ pull-up Resistor, I-L indicates an input pin with a 50kΩ pull-down resistor.
PIN #
127
128
NAME
RPOS_0/
RDATA_0
RNEG_0/
LCV_0
TYPE
O
O
DESCRIPTION
Receiver 0 Positive /NRZ Data Output: (see pin 35)
Receiver 0 Negative Data Output: (see pin 34)
TABLE 1: PIN NUMBER BY PIN NAME
CHANNEL RTIP RRING TTIP TRING RCLK RPOS RNEG LOS
0
4
5
7
9
1
127 128
2
1
93 92 90 88
96
98
97
95
2
17 18 12 14 125 123 124 126
3
80 79 85
83
100 102 101
99
4
20 21 23 25
33
35
34
36
5
77 76 74 72
60
58
59
57
6
68 67 28 30
64
62
63
61
GLOBAL SIGNALS
RST
3
RClkP 65
MODE 32
MClk 70
SR/DR 69
TClkP 66
ICT 94
CONTROLLER INTERFACE
SDO 47
SDI 48
SClk
POWER PINS
VDD 41 56 122
GND 42 55 121
AVDD 16 81 103
AGND 19 78 104
TCLK TPOS TNEG PDT TAOS TVDD TGND
120 119 118
6
117
8
10
105 106 107 91 108 89 87
116 115 114 11 113 13 15
109 110 111 86 112 84 82
37
38
39
22
40
24 26
54
53
52
75
51
73 71
43
44
45
27
46
29 31
49
CS 50
9