XRT72L56 Datasheet, PDF (485/486 Pages) Exar Corporation – SIX CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER

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PRELIMINARY
ORDERING INFORMATION
PART NUMBER
XRT72L56IB
PACKAGE DIMENSIONS
XRT72L56
SIX CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER
REV. P1.1.2
PACKAGE TYPE
35x35mm 388 Ball PBGA
OPERATING TEMPERATURE RANGE
-40°C to +85°C
388 Ball Plastic Ball Grid Array
(35 x 35 mm PBGA)
Rev. 1.0
b
D D1
e
26 24 22 20 18 16 14 12 10 8 6 4 2
25 23 21 19 17 15 13 11 9 7 5 3 1
e
D1
D
Chamfer
Optional
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
T
U
V
W
Y
AA
AB
AC
AD
AE
AF
D2
C
A A1
b
A2
Symbol
Inches
MIN
MAX
Millimeters
MIN
MAX
A
0.075
0.106
1.90
2.70
A1
0.020
0.028
0.50
0.70
A2
0.039
0.051
1.00
1.30
b
0.024
0.035
0.60
0.90
C
0.016
0.028
0.40
0.70
D
1.370
1.386
34.80
35.20
D1
1.250BSC
31.75BSC
D2
1.177
1.185
29.90
30.10
e
0.050BSC
1.27BSC
Note: The control dimension is the millimeter column
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