78M6612-DB/OMU-USB Maxim Integrated Products, 78M6612-DB/OMU-USB Datasheet - Page 105

• Manufacturer Part Number: 78M6612-DB/OMU-USB
• Description: KIT DEMO OUTLET MEASUREMENT OMU1
• Manufacturer: Maxim Integrated Products

Specifications of 78M6612-DB/OMU-USB

• Data Bus Width: 8 bit
• Interface Type: USB
• Tool Type: Demonstration Board
• Core Architecture: 8051
• Cpu Core: 80515
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

DS_6612_001
6.2.3 Recommended PCB Land Pattern for the QFN-68 Package
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
Rev. 1.2
assembly may allow this dimension to be reduced as long as the G dimension is maintained.
Symbol
G
A
e
d
x
y
Recommended PCB Land Pattern Dimensions
Description
Lead pitch
Pad width
Pad length. See Note 3.
See Note 1.
Dimension
0.23 mm
6.63 mm
0.4 mm
0.8 mm
6.3 mm
7.2 mm
Typical
78M6612 Data Sheet
105