What is a 74LS74?
What is a 74LS74? The 74LS74 is a dual positive-edge triggered D-type flip-flop which can be configured to perform as a divide-by-two counter. But to do so, ! PR and ! CLR must be tied together HIGH (to logic-1), NOT-Q connected to D (feedback loop) and the clock signal applied directly to CLK. The output […]