2014 Microchip Technology Inc. DS20005134B-page 27
SST25PF040B
FIGURE 7-3: 8-CONTACT VERY-VERY-THIN SMALL OUTLINE NO-LEAD (WSON)
PACKAGE CODE: QA
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.
Connection of this paddle to any other voltage potential can
result in shorts and/or electrical malfunction of the device.
8-wson-5x6-QA-9.0
4.0
1.27 BSC
Pin #1
0.48
0.35
0.076
3.4
5.00 ± 0.10
6.00
± 0.10
0.05 Max
0.70
0.50
0.80
0.70
0.80
0.70
Pin #1
Corner
TOP VIEW BOTTOM VIEW
CROSS SECTION
SIDE VIEW
1mm
0.2