UM488 Datasheet, PDF (15/17 Pages) Union Semiconductor, Inc. – ±15kV ESD-Protected, Fail-Safe, Slew-Rate-Limited RS-422

Outline Drawing
Land Pattern
UM488/UM491
UM491EESE 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
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.04 Aug.2013
15/17