74LS74.pdf D Flip-Flops with Preset Clear and Complementary Outputs 54LS74 DM54LS74A DM74LS74A Dual Positive-Edge-Triggered June 1989 54LS74 DM54LS74A DM74LS74A Dual Positive-Edge-Triggered D Flip-Flops with Preset Clear and Complementary Outputs General Description This device contains two……