Prop Dip40 QFN
DigitalBob
Posts: 1,498
in Propeller 1
I just wanted to post a picture my prop dip 40 QFN. With the recent "0" stock and 3 month lead time of the dip 40 I figured I needed a plan "B". Your comments welcome.
Comments
http://forums.parallax.com/discussion/131867/
Can be used with just the QFN, or fully loaded as a complete Prop circuit. It also works with a DIP40 as shown in this post:
http://forums.parallax.com/discussion/comment/1027197/#Comment_1027197
Jameco has 1300+ at $12/$13 a pop.
Many times when people make a breakout board like that the put the chip at a 45 degree angle so as to make routing nicer.
True, but the way the Propeller's die was routed in the QFN, a square position lends the greatest routing ease. Here is a view of my top trace routing on my M44D40+ module: