The 7470/7471 group is a single-chip microcomputer designed with CMOS silicon gate technology. It is housed in a 32-pin shrink plastic molded DIP. The M37471M2-XXXSP/FP is a single-chip microcomputer designed with CMOS silicon gate technology. It is housed in a 42-pin shrink plastic molded DIP or a 56-pin plastic molded QFP.