XRT73L04A Datasheet, PDF (64/65 Pages) Exar Corporation – 4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT

XRT73L04A
4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
REV. 2.0.3
ORDERING INFORMATION
PART #
XRT73L04AIV
THERMAL INFORMATION
PACKAGE
144 Pin Thermally Enhanced TQFP 20 x 20 x 1.4mm
Theta-J_A = 20° C/W
OPERATING TEMPERATURE RANGE
-40°C to +85°C
Theta-J_C = 6° C/W
PACKAGE DIMENSIONS
144 LEAD THIN QUAD FLAT PACK
(20 x 20 x 1.4 mm TQFP)
rev. 1.00
D
D₁
108
73
109
72
Copper Heat slug
OFHC 0.9999 solder plated
exposed on package bottom
β
D₁
D
144
37
1
36
A₂
e
B
A
Seating Plane
A₁
Note: The control dimension is the millimeter column
INCHES
SYMBOL MIN
MAX
A
0.055 0.063
A1
0.002 0.006
A2
0.053 0.057
B
0.007 0.011
C
0.004 0.008
D
0.858 0.874
D1
0.783 0.791
e
0.020 BSC
L
0.018 0.03
α
0^o
7^o
β
0.490 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
60