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512 Kbit / 1 Mbit / 2 Mbit / 4 Mbit 1.8V SPI Serial Flash
A Microchip Technology Company
SST25WF512 / SST25WF010 / SST25WF020 / SST25WF040
Data Sheet
TOP VIEW
SIDE VIEW
BOTTOM VIEW
Pin #1
0.2
Pin #1
Corner
1.27 BSC
5.00 0 .10
0.076
4.0
0.48
0.35
3.4
0.70
6.00 0.10
0.80
0.70
0.05 Max
0.50
Note:
1. All linear dimensions are in millimeters (max/min).
2. Untoleranced dimensions (shown with box surround)
are nominal target dimensions.
3. The external paddle is electrically connected to the
die back-side and possibly to certain V SS leads.
This paddle can be soldered to the PC board;
it is suggested to connect this paddle to the V SS of the unit.
1mm
CROSS SECTION
0.80
0.70
8-wson-5x6-QA-9.0
Connection of this paddle to any other voltage potential can
result in shorts and/or electrical malfunction of the device.
Figure 31: 8-Contact Very-very-thin Small Outline No-lead (WSON)
SST Package Code: QA
Table 20: Revision History
Number
00
01
?
?
?
?
Description
Initial release of data sheet
Removed “Commercial” Temperature Range
Added references to Tables 6 and 7 in “Block-Protection (BP2, BP1,
Date
Nov 2006
Feb 2007
BP0)” on page 9
?
?
?
?
?
?
?
?
Modified EWSR and WREN footnote information and updated EBSY Op
Code Cycle in Tables 9 and 10
Re-phrased first paragraph in “Instructions” on page 11
Updated “Byte-Program” on page 15
Clarified SO pin statement in second paragraph of “Hardware End-of-
Write Detection” on page 16
Added Industrial (extended) values to Operating Range in “Electrical
Specifications” on page 25
Added “Power-Up Specifications” on page 26
Added typical values to Table 16 on page 28
Added contact-lead composition, updated minimum endurance from
10,000 to 100,000 cycles, and changed product valid combinations in
“Product Ordering Information” on page 32
?2011 Silicon Storage Technology, Inc.
35
DS25016A
06/11
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