sp491es Exar Corporation, sp491es Datasheet - Page 8

• Manufacturer Part Number: sp491es
• Description: Full Duplex Rs-485 Transceivers
• Manufacturer: Exar Corporation

Date: 02/24/05
INDEX AREA
(D/2 X E1/2)
Note: Dimensions in (mm)
8 Pin NSOIC JEDEC MO-012 (AA) Variation
SYMBOL
E/2
A1
A2
E1
L1
L2
ø1
D
A
b
E
e
L
ø
c
1
TOP VIEW
e
1.35
1.25
0.31
0.17
MIN
0.1
0.4
0º
5º
D
4.90 BSC
6.00 BSC
3.90 BSC
1.27 BSC
0.25 BSC
1.04 REF
NOM
-
-
-
-
-
-
-
-
b
SP490/491 Full Duplex RS-485 Transceivers
E1/2
MAX
1.75
0.25
1.65
0.51
0.24
1.27
15º
8º
E1
8
E
A
A2
B
B
BASE METAL
A1
Seating Plane
c
WITH PLATING
SECTION B-B
PACKAGE: 8 PIN NSOIC
SIDE VIEW
Ø1
SEE VIEW C
© Copyright 2005 Sipex Corporation
Ø
b
VIEW C
L1
L
Gauge Plane
L2
Seating Plane
Ø