PIC10F article http://www.embedded.com/showArticle.jhtml?articleID=21401355 6 pin, 4 I/O PIC - too small to see :-) also S5400 roll yer own uP - non PIC. 300 MHz 32 / 64 bit with user modifiable instruction set. Define instructions in the compiler and download to the uP. :-) -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.