3967 View Datasheet(PDF) - Allegro MicroSystems
Part Name
Description
MFG CO.
'3967' PDF : 15 Pages View PDF
A3967
Microstepping Driver with Translator
Package LB 24-Pin SOIC
15.40±0.20
24
4° ±4
0.27
+0.07
–0.06
24
2.20
7.50±0.10 10.30±0.33
9.60
A
0.84
+0.44
–0.43
12
24X
0.10 C
SEATING C
PLANE
0.25
12
0.65
1.27
SEATING PLANE
GAUGE PLANE
B PCB Layout Reference View
0.41 ±0.10
1.27
2.65 MAX
0.20 ±0.10
For reference only
Pins 6 and 7, and 18 and 19 internally fused
Dimensions in millimeters
(Reference JEDEC MS-013 AD)
Dimensions exclusive of mold flash, gate burrs, and dambar protrusions
Et
d l d fi ti t li di ti ithi li it h
A Terminal #1 mark area
B Reference pad layout (reference IPC SOIC127P1030X265-24M)
All pads a minimum of 0.20 mm from all adjacent pads; adjust as necessary
to meet application process requirements and PCB layout tolerances
Copyright ©2002-2008, Allegro MicroSystems, Inc.
The products described here are manufactured under one or more U.S. patents, including U. S. Patent No. 5,684,427, or U.S. patents pending
Allegro MicroSystems, Inc. reserves the right to make, from time to time, such departures from the detail specifications as may be required to per-
mit improvements in the performance, reliability, or manufacturability of its products. Before placing an order, the user is cautioned to verify that the
information being relied upon is current.
Allegro’s products are not to be used in life support devices or systems, if a failure of an Allegro product can reasonably be expected to cause the
failure of that life support device or system, or to affect the safety or effectiveness of that device or system.
The information included herein is believed to be accurate and reliable. However, Allegro MicroSystems, Inc. assumes no responsibility for its use;
nor for any infringement of patents or other rights of third parties which may result from its use.
For the latest version of this document, go to our website at:
www.allegromicro.com
Allegro MicroSystems, Inc.
15
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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