The 74HC574D(BJ,K) an integrated circuit of type Flip-Flop manufactured by Toshiba is a dual D-type flip-flop with separate data (D), clock (CP) and preset (Pr) and clear (Clr) inputs. It also has two separately buffered outputs, Q and Q-bar. This part is housed in a 20-pin SOIC package, and has 3.6V to 5.5V range of operating voltage and 3mA current for output low. It is RoHS approved which makes it a safe and reliable component for use in electronic circuits.