The CD4013B dual D-type flip-flop is a monolithic complementaryMOS (CMOS) integrated circuit constructed withN- and P-channel enhancement mode transistors. Eachflip-flop has independent data, set, reset, and clock inputsand “Q” and “Q” outputs. These devices can be used forshift register applications, and by connecting “Q” output tothe data input, for counter and toggle applications. Thelogic level present at the “D” input is transferred to the Qoutput during the positive-going transition of the clockpulse. Setting or resetting is independent of the clock andis accomplished by a high level on the set or reset linerespectively.