Nxp 74hct series logic devices nxp 74hct4060n the 74hct4060n is a 14 stage ripple carry counterdivider and oscillator with three oscillator terminals rs rtc and ctc ten buffered outputs q3 to q9 and q11 to q13 and an overriding asynchronous master reset mr the oscillator configuration allows design of either rc or crystal oscillator circuits the oscillator may be replaced by an external clock signal at input rs in this case keep the other oscillator pins rtc and ctc floating th