XR88C681_06 Datasheet, PDF (98/101 Pages) Exar Corporation – CMOS Dual Channel UART (DUART)

XR88C681
40 LEAD CERAMIC DUAL-IN-LINE
(600 MIL CDIP)
Rev. 1.00
40
1
Base
Plane
Seating
Plane
A₁
L
B
D
e
21
20
E
E₁
A
c
B₁
a
Rev. 2.11
INCHES
MILLIMETERS
SYMBOL
MIN
MAX
MIN
MAX
A
0.100 0.225
2.54
5.72
A₁
0.015 0.075
0.38
1.91
B
0.014 0.026
0.36
0.66
B₁
0.045 0.065
1.14
1.65
c
0.008 0.018
0.20
0.46
D
1.990 2.090
50.55
53.09
E₁
0.550 0.610
13.97
15.49
E
0.600 BSC
15.24 BSC
e
0.100 BSC
2.54 BSC
L
0.125 0.200
3.18
5.08
a
0°
15°
0°
15°
Note: The control dimension is the inch column
98