xrt91l31 Exar Corporation, xrt91l31 Datasheet - Page 3

• Manufacturer Part Number: xrt91l31
• Description: Sts-12/stm-4 Or Sts-3/stm-1 Sonet/sdh Transceiver
• Manufacturer: Exar Corporation

REV. 1.0.0
PIN CONFIGURATION
F
IGURE
2. 64 QFP P
P
XRT91L31IQ
CDRREFSEL
ART
STS12/STS3
DJA_1/SDI
TXPCLK_IO
RNEG_1
RNEG_0
RPOS_1
RPOS_0
MCLK_1
MCLK_0
RCLK_1
RCLK_0
STS1_1
RLOOPS
N
AGND
AGND
VDD3.3
DLOOP
ALOOP
UMBER
GND
GND
TXDI7
TXDI6
TXDI5
TXDI4
TXDI3
TXDI2
VDD
TXDI1
TXDI0
FL1
GND
IN
O
UT OF THE
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
XRT91L31 (T
T
ABLE
XRT91L30
STS-12/STM-4 OR STS-3/STM-1 SONET/SDH TRANSCEIVER
XRT91L31
1: O
64 Pin Lead QFP
OP
RDERING
P
ACKAGE
V
IEW
3
)
I
NFORMATION
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
O
AGND
FL_2
STS1_2
DJA_2/CS
MCLK_2
GND
RCLK_2
VDD
RNEG_2
RPOS_2
GND
DJA_0/SCLK
DS3/E3_0
STS1_0
FL0
AGND
PERATING
CDRAUXREFCLK
VDD3.3
FRAMEPULSE
RXPCLKO
GND
RXDO7
RXDO6
RXDO5
RXDO4
RXDO3
RXDO2
GND
RXDO1
RXDO0
VDD3.3
REFCLKN
-40
T
°
EMPERATURE
C to +85
XRT91L31
°
C
R
ANGE