SHIFT REGISTER CIRCUIT

PURPOSE:To prevent the racing of the m-bit shift register, to restrain the increase in the number of gate and to prevent the skew of the clock line by connecting the n-bits half shift register which operates with an independent clock signal and the m-bit shift resister. CONSTITUTION:The 1-bit half flip-flop 1 as a first shift register outputs the data from an input terminal A shifting n-(n is a positive integer) bit half with the clock from an input terminal B. A flip-flop 2 as a second shift register outputs the data from the first shift register by shifting m-(m is a positive integer) bit with the clock of the output through a buffer 4 from the input terminal B.