xr
XRT91L32
REV. 1.0.3
STS-12/STM-4 OR STS-3/STM-1 SONET/SDH TRANSCEIVER
3
FIGURE 2. 100 QFP PIN OUT OF THE XRT91L32 (TOP VIEW)
XRT91L32
VDD3
.3
NC
GND
RXDO0
RX
D
0
1
GND
RXDO2
RXDO3
GND
RXDO4
RXDO5
GND
RXDO6
RXDO7
GND
RXPCLKO
F
RAM
EPULSE
VDD3
.3
NC
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
10
0
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
RLOOPS
VDD3.3
ALOOP
RESET
LOOPTIME
NC
CMUFREQSEL
VDD_PECL
TXOP
TXON
GND
NC
VDD_PECL
NC
DLOSDIS
GND
XRXCLKIP
XRXCLKIN
VDD_PECL
OOF
CDRDIS
RXIP
RXIN
NC
VDD3.3
REFCLKP
REFCLKN
NC
VDD3.3
GND
NC
GND
AGND_RX
AVDD3.3_RX
CAP2P
CAP2N
CAP1N
CAP1P
AVDD3.3_TX
NC
AGND_TX
VDD3.3
NC
TTLREFCLK
GND
VDD3.3
LOSEXT
NC
CDRAUXREFCLK
DL
OOP
VDD3
.3
CDRR
E
F
SE
L
STS12/
STS
3
NC
TXDI
0
TXDI
1
GN
D
TXDI
2
TXDI
3
NC
TXI
N
4
TXDI
5
GN
D
TXDI
6
TXDI
7
GN
D
NC
TXPC
LK_I
O
VDD
ORDERING INFORMATION
PART NUMBER
PACKAGE
OPERATING TEMPERATURE RANGE
XRT91L32IQ-F
100 Pin QFP
-40°C to +85°C