Data Sheet
2 Mbit / 4 Mbit SPI Serial Flash
SST25VF020 / SST25VF040
Pin #1
Corner
TOP VIEW
SIDE VIEW
0.25
0.19
5.00 ± 0.10
0.076
6.00 ± 0.10
0.05 Max
0.80
0.70
Note: 1. All linear dimensions are in millimeters (max/min).
8-CONTACT VERY-VERY-THIN SMALL OUTLINE NO-LEAD (WSON)
SST PACKAGE CODE: QA
BOTTOM VIEW
Pin #1
1.27 BSC
4.00 ± 0.10
3.40 ± 0.10
0.48
0.35
0.70
0.50
CROSS SECTION
8-wson-6x5-QA-8
1mm
0.80
0.70
TABLE 12: REVISION HISTORY
Number
00
•
Description
Initial release of S71231
(2 Mbit and 4 Mbit parts were originally described in data sheet S71192)
01 • Updated Figures 2, 4 - 14: Aligned SI waveform with rising edge of clock
02 • Added new 8-SOIC (S2A) package and associated MPNs
03 • 2004 Data Book
• Updated the Package Outline for S2A
04 • Added Extended temperature and associated MPNs
Date
Apr 2003
Aug 2003
Oct 2003
Dec 2003
Jun 2004
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
©2004 Silicon Storage Technology, Inc.
24
S71231-04-000
6/04