STN1110
8.5 QFN-S (MM) Land Pattern
28-Lead Plastic Quad Flat, No Lead Package (MM) – 6x6x0.9 mm Body [QFN-S] with
0.40 mm Contact Length
For the most current package drawings, please see the Microchip Packaging Specification located at
http://www.microchip.com/packaging.
RECOMMENDED LAND PATTERN
Units
Dimension Limits
MIN
Contact Pitch
E
Optional Center Pad Width
W2
Optional Center Pad Length
T2
Contact Pad Spacing
C1
Contact Pad Spacing
C2
Contact Pad Width (x28)
X1
Contact Pad Length (x28)
Y1
Distance Between Pads
G
0.25
Notes:
1. Dimensioning and tolerancing per ASME Y14.5M.
BSC: Basic Dimension. Theoretically exact value shown without tolerances.
MILLIMETERS
NOM
0.65 BSC
6.00
6.00
MAX
4.70
4.70
0.40
0.85
Microchip Technology Drawing C04-2124
20 of 22
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STN1110DSA