2641/2645/2648 terminals have 8080s (on different
processor boards of
course). An 8080 would likely be in a 40-pin DIP (Dual In-line
Package, meaning two rows of pins). An 8008 would be in a smaller
DIP but I can't remember how small off the top of my head.
8008 is a 18 pin dip.
Allison