XR16C2850_05 Datasheet, PDF (48/51 Pages) Exar Corporation – 2.97V TO 5.5V DUAL UART WITH 128-BYTE FIFOS

XR16C2850
2.97V TO 5.5V DUAL UART WITH 128-BYTE FIFOS
PACKAGE DIMENSIONS (40 PIN PDIP)
xr
REV. 2.1.3
40
1
Seating ^A
Plane
L
B
21
E₁
20
D
E
e
B₁
A₂
A₁
C
α
e_A
e_B
Note: The control dimension is the millimeter column
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
1.98
2.095
50.29
53.21
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
eA
0.600 BSC
15.24 BSC
eB
0.600
0.700
15.24
17.78
L
0.115
0.200
2.92
5.08
a
0×
15×
0×
15×
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