XR88C681_06 Datasheet, PDF (99/101 Pages) Exar Corporation – CMOS Dual Channel UART (DUART)

XR88C681
28 LEAD PLASTIC DUAL-IN-LINE
(600 MIL PDIP)
Rev. 1.00
28
1
Seating ^A
Plane
L
B
15
E₁
14
D
E
A₂
A₁
a
C
e
B₁
e_A
e_B
Rev. 2.11
INCHES
MILLIMETERS
SYMBOL
MIN
MAX
MIN
MAX
A
0.160 0.250
4.06
6.35
A₁
0.015 0.070
0.38
1.78
A₂
0.125 0.195
3.18
4.95
B
0.014 0.024
0.36
0.56
B₁
0.030 0.070
0.76
1.78
C
0.008 0.014
0.20
0.38
D
1.380 1.565
35.05
39.75
E
0.600 0.625
15.24
15.88
E₁
0.485 0.580
12.32
14.73
e
0.100 BSC
2.54 BSC
e_A
0.600 BSC
15.24 BSC
e_B
0.600 0.700
15.24
17.78
L
0.115 0.200
2.92
5.08
a
0°
15°
0°
15°
Note: The control dimension is the inch column
99