A side for pin pitch size 0.8mm,It can be used for most of
the QFP、TQFP、LQFP、FQFP (compatible with 32pin~64pin) to 2.54mm DIP.
B side for pin pitch size 0.5mm,It can be used for most of
the QFP、TQFP、LQFP、FQFP (compatible with 32pin~100pin) to 2.54mm DIP.