80C286/80386 Hardware Comparison TM 80C286/80386 Hardware Comparison Application Note March 1997 AN112.1 Introduction The 80C286 instruction prefetch takes one bus cycle to execute, thereby minimizing the time that the processor The Intersil 80C286 static CMOS microprocessor, available Execution Unit must wait should it need the bus (Ref. with maximum operating frequencies of 16MHz and 20MHz, section o……