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XRT73L04B
4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
REV. 1.0.1
59
ORDERING INFORMATION
PACKAGE DIMENSIONS
P
ART
#
P
ACKAGE
O
PERATING
TEMPERATURE
R
ANGE
XRT73L04BIV
144 Pin LQFP 20 x 20 x 1.4mm
-40°C to +85°C
T
HERMAL
I
NFORMATION
Theta-J
A
= 24° C/W
Theta-J
C
= 5.5° C/W
Note: The control dimension is the millimeter column
144 LEAD QUAD FLAT PACK
(20 x 20 x 1.4 mm LQFP)
rev. 1.00
A
2
α
L
C
e
108
73
72
37
109
144
D
D
1
D
D
1
1
36
B
A
1
A
Seating Plane
SYMBOL
MIN
MAX
MIN
MAX
A
0.055
0.063
1.4
1.6
A1
0.002
0.006
0.05
0.15
A2
0.053
0.057
1.35
1.45
B
0.007
0.011
0.17
0.27
C
0.004
0.008
0.09
0.20
D
0.858
0.874
21.8
22.2
D1
0.783
0.791
19.9
20.1
e
L
0.018
0.03
0.45
0.75
α
0
o
7
o
0
o
7
o
MILLIMETERS
INCHES
0.020 BSC
0.50 BSC
β
0.490
0.510
12.45
12.96