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SP491CN-L Datasheet, PDF (9/11 Pages) Exar Corporation – Full Duplex RS-485 Transceivers
Package: 14 Pin nSOIC
D
e
E/2
E1
E1/2
E
INDEX AREA
(D/2 X E1/2)
1
b
TOP VIEW
Ø
Seating Plane
Ø1
L
L1
VIEW C
L2
Ø
Gauge Plane
A
A1
A2
SIDE VIEW
Seating Plane
14 Pin NSOIC JEDEC MO-012 (AB) Variation
SYMBOL
MIN
NOM
MAX
A
1.35
-
1.75
A1
0.1
-
0.25
A2
1.25
-
1.65
b
0.31
-
0.51
c
0.17
-
0.25
D
8.65 BSC
E
6.00 BSC
E1
3.90 BSC
e
1.27 BSC
L
0.4
-
1.27
L1
1.04 REF
L2
0.25 BSC
ø
0º
-
8º
ø1
5º
-
15º
Note: Dimensions in (mm)
B
B
SEE VIEW C
b
c
BASE METAL
SECTION B-B
WITH PLATING
Exar Corporation 48720 Kato Road, Fremont CA, 94538 • (510)668-7017 • www.exar.com

SP490,491_101_062711