2 Mbit / 4 Mbit SPI Serial Flash
SST25LF020A / SST25LF040A
Data Sheet
TOP VIEW
SIDE VIEW
BOTTOM VIEW
Pin #1
0.2
Pin #1
Corner
1.27 BSC
4.0
5.00 0.10
0.076
0.48
0.35
3.4
0.70
0.50
0.05 Max
6.00 0.10
0.80
0.70
CROSS SECTION
Note: 1. All linear dimensions are in millimeters (max/min).
2. Untoleranced dimensions (shown with box surround)
are nominal target dimensions.
0.80
0.70
3. The external paddle is electrically connected to the
die back-side and possibly to certain V leads.
1mm
SS
This paddle can be soldered to the PC board;
8-wson-5x6-QA-9.0
it is suggested to connect this paddle to the V of the unit.
SS
Connection of this paddle to any other voltage potential can
result in shorts and/or electrical malfunction of the device.
8-CONTACT VERY-VERY-THIN SMALL OUTLINE NO-LEAD (WSON)
SST PACKAGE CODE: QA
TABLE 12: REVISION HISTORY
Number
00
Description
Date
Aug 2003
Oct 2003
Dec 2003
•
•
•
•
•
•
•
•
•
•
•
Initial release of S71242
01
Added new 8-SOIC (S2A) package and associated MPNs
2004 Data Book
Updated the Package Outline for S2A
02
03
04
05
Jun 2004
Nov 2005
Jan 2006
Document status changed from “Advance Information” to “Preliminary Specifications”
Added Commercial and Extended temperatures and associated MPNs
Revised Absolute Max. Stress Ratings for Surface Mount Solder Reflow Temp.
Migrated document from Preliminary Specifications to Data Sheet
Updated QA package drawing to version 9.
Removed leaded part numbers.
Added footnote to Product Ordering Information section.
Silicon Storage Technology, Inc. • 1171 Sonora Court • Sunnyvale, CA 94086 • Telephone 408-735-9110 • Fax 408-735-9036
www.SuperFlash.com or www.sst.com
©2006 Silicon Storage Technology, Inc.
S71242-05-000
1/06
26
SST [ SILICON STORAGE TECHNOLOGY, INC ]
