THE FIRST PICTURE IS D-LACTH IT DOSENOT USES SR-LACTH BECAUSE SR LACHT KEEPS RANDOMISING AND THE THREE FLIP-FLOP ARE THE COUNTER KEEP THE WIRING SAME. THE SECOND LAST PICTURE IS OF THE WRITER AND THE THIRD LAST IS THE READER . AND THE AND GATE HAS ALSO 3-STATE BUFER TO STOP FLIKERING AS 8 INPUT ARE CONECT TED TO ONE OUT PUT.
