XRT73L04B Datasheet, PDF (63/64 Pages) Exar Corporation – 4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT

XRT73L04B
4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
REV. 1.0.1
ORDERING INFORMATION
PART #
XRT73L04BIV
THERMAL INFORMATION
PACKAGE DIMENSIONS
PACKAGE
144 Pin LQFP 20 x 20 x 1.4mm
Theta-J_A = 24° C/W
OPERATING TEMPERATURE RANGE
-40°C to +85°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
0^o
0.490
0.03
7^o
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
0^o
0.75
7^o
12.45 12.96
C
α
L
59