Devices included in this data sheet: Referred to collectively as PIC16C55X(A). • PIC16C554 PIC16C554A PIC16C556A • PIC16C558 PIC16C558A High Performance RISC CPU: • Only 35 instructions to learn • All single-cycle instructions (200 ns), except for program branches which are two-cycle • Operating speed: - DC - 20 MHz clock input - DC - 200 ns instruction cycle