UM3491 Datasheet, PDF (12/14 Pages) Union Semiconductor, Inc. – +3.3V Low Power，±15kV ESD-Protected, Fail-Safe, RS-422 Transceivers in SOP14/DIP14

UM3491
Package Information
Outline Drawing
UM3491EESE SOP14
Symbol
A
A1
b
C
E
D
e
H
L
DIMENSIONS
MILLIMETERS INCHES
Min Max Min Max
1.35 1.75 0.053 0.069
0.10 0.25 0.004 0.010
0.35 0.49 0.014 0.019
0.19 0.25 0.007 0.010
3.80 4.00 0.150 0.157
8.55 8.75 0.337 0.344
1.27
0.050
5.80 6.20 0.228 0.244
0.40 1.27 0.016 0.050
Land Pattern
Tape and Reel Orientation
NOTES:
1. Compound dimension: 8.65×3.90；
2. Unit: mm;
3. General tolerance ±0.05mm unless otherwise
specified;
4. The layout is just for reference.
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http://www.union-ic.com Rev.02 Jun.2012
12/14