Top Solder Mask
Top Overlay
Top Paste Mask
Top Copper Layer
Bottom Solder Mask
Bottom Overlay
Bottom Paste Mask
Bottom Copper Layer
Keep Out Layer
Bottom
QFP64 to DIP 0.8mm Rev.A
This is a prototype board that support QFP ICs with 32, 48, 64 pins with a 0.8mm pitch.
On the internet could only find adapters that will transfer all pins out and no place to put any other components like small decoupling capacitors or anything for that matter.
No circuit requires all pins to be surfaced however with this board there are plenty of opportunities:
There are two DIP lines with 25 pins each that will accept regular headers.
On the other sides is possible to solder up to 2x16 pin headers thus allowing for another 64 pins to be surfaced. This is more than the chip pinout itself.
All the pins are wired in such a way that allows for mounting decoupling capacitors on the bottom side for every pin. Also a 0 ohm resistor can be wired to the ground which is the inside square on the bottom.
Currently none of the pins are wired which allows for remapping of the pins as the user sees fit.
All the vias are design with soldering in mind and 30 gauge (wrapping wire) can be soldered to them providing an easy way to bring the pins to the border. Also you will find them very usefull when testing the soldering of the ICs on the board.
The center zone on the bottom of the board allows for a 8x8 surface mount prototype soldering surface. As this is on the bottom the board will look neat from above when mounted. :)
The ground traces on the bottom side are plated allowing for increasing the surface using solder if they are used as ground and also at the same time they are thin enough to allow for cutting them in order to use more prototype surface.
There are 4 holes for mounting the board.
QFP64 to DIP 0.8mm Rev.A
*PCBWay community is a sharing platform. We are not responsible for any design issues and parameter issues (board thickness, surface finish, etc.) you choose.
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