DS_6612_001
78M6612 Data Sheet
6.2.3 Recommended PCB Land Pattern for the QFN-68 Package
Recommended PCB Land Pattern Dimensions
Typical
Dimension
Symbol
Description
e
x
Lead pitch
0.4 mm
0.23 mm
0.8 mm
6.3 mm
6.63 mm
7.2 mm
Pad width
y
Pad length. See Note 3.
See Note 1.
d
A
G
Note 1: Do not place unmasked vias in region denoted by dimension d.
Note 2: Soldering of bottom internal pad is not required for proper operation.
Note 3: The y dimension has been elongated to allow for hand soldering and reworking. Production
assembly may allow this dimension to be reduced as long as the G dimension is maintained.
Rev. 1.2
105