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XRT73LC04A_08 Datasheet, PDF (63/64 Pages) Exar Corporation – 4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
XRT73LC04A
REV. 1.0.2
ORDERING INFORMATION
4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
PART #
XRT73LC04AIV
THERMAL INFORMATION
PACKAGE DIMENSIONS
PACKAGE
144 Pin LQFP 20 x 20 x 1.4mm
Theta-JA = 24°C/W
OPERATING TEMPERATURE RANGE
-40°C to +8 5°C
Theta-J C = 5.5°C/W
108
109
144 LEAD QUAD FLAT PACK
(20 x 20 x 1.4 mm LQFP)
rev. 1.00
D
D1
73
72
D1
D
144
37
1
36
A2
e
B
A
Seating Plane
A1
Note: The control dimension is the millimeter column
SYMBOL
A
A1
A2
B
C
D
D1
e
L
α
β
INCHES
MIN
MAX
0.055 0.063
0.002 0.006
0.053 0.057
0.007 0.011
0.004 0.008
0.858 0.874
0.783 0.791
0.020 BSC
0.018
0o
0.490
0.03
7o
0.510
MILLIMETERS
MIN
MAX
1.4
1.6
0.05
0.15
1.35
1.45
0.17
0.27
0.09
0.20
21.8
22.2
19.9
20.1
0.50 BSC
0.45
0o
0.75
7o
12.45 12.96
C
α
L
59