This PCB adapts a 64-pin LQFP (0.5 mm pitch) hip to a DIP pinout, for instance to plug it into a solderless breadboard.
The distance between the two rows of pins is 9 x 2.54 mm, so the pin rows will not fit in a "standard" 64-pin DIP socket.
As an extra this PCB has a ground and power a rail. These rails can be connected to the pins of your choise (as appropriate for the chip you use), and a small electrolytic capacitor and a fools diode (shorts a reversed power) can be mounted. On the bottom side of the PCB two 0805 SMD components can be mounted, connecting each pin of the chip to the power and ground rails. This can be used to provide extra power decoupling, pull-down or pull up resistors, etc. This arrangement was shown by Denny Esterline (thanks!).
If you buy this PCB you will probably want to insert it in a PCB, DIP socket, breadboard, headerstrips, etc. For this you can use part of one or more CON-QPIN20 / CON-QPIN32 or CON-LPIN-36 strips. The CON-QPIN20 / CON-QPIN32 pins are smaller. These pin strips are recommended for use in breadboards and round-pin DIP sockets. The pins of the cheaper CON-LPIN-36 are lager. These pin strips are recommended for one-time insertion in low-cost DIP sockets, and for use with bare PCBs or CON-LCONTRA-20 header strips.
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