74LS194A.pdf 54LS194A DM74LS194A 4-Bit Bidirectional Universal Shift Register June 1989 54LS194A DM74LS194A 4-Bit Bidirectional Universal Shift Register General Description This bidirectional shift register is designed to incorporate Serial data for this mode is entered at the shift-right data virtually all of the features a system designer may want in a input When S0 is low and S1 is high data shifts left syn- shift register they feature parallel inputs parallel outputs chronously and new data is en……