©2011 Silicon Storage Technology, Inc. DS25034A 09/11
32
4 Mbit (x16) Multi-Purpose Flash
SST39WF400B
Data Sheet
Microchip Technology Company
Table 16:Revision History
Revision Description Date
00
• Initial release of data sheet
Mar 2008
01
• Updated Table 7 on page 13
Jul 2008
02
• EOL of all D1QE and Y1QE parts. Replacements parts are the
CAQE and MAQE in this document.
• Added CAQE and MAQE package information.
Jan 2010
A
• Applied new document format
• Released document under the letter revision system
• Updated Spec number from S71370 to DS25034
Sep 2011
2011 Silicon Storage Technology, Inc–a Microchip Technology Company. All rights reserved.
SST, Silicon Storage Technology, the SST logo, SuperFlash, MTP, and FlashFlex are registered trademarks of Silicon Storage Tech-
nology, Inc. MPF, SQI, Serial Quad I/O, and Z-Scale are trademarks of Silicon Storage Technology, Inc. All other trademarks and
registered trademarks mentioned herein are the property of their respective owners.
Specifications are subject to change without notice. Refer to www.microchip.com for the most recent documentation. For the most current
package drawings, please see the Packaging Specification located at http://www.microchip.com/packaging.
Memory sizes denote raw storage capacity; actual usable capacity may be less.
SST makes no warranty for the use of its products other than those expressly contained in the Standard Terms and Conditions of
Sale.
For sales office locations and information, please see www.microchip.com.
Silicon Storage Technology, Inc.
A Microchip Technology Company
www.microchip.com
ISBN:978-1-61341-450-7
