The MM54HCT573 MM74HCT573 octal D-type latches and MM54HCT574 MM74HCT574 Octal D-type flip flops advanced silicon-gate CMOS technology which provides the inherent benefits of low power consumption and wide power supply range but are LS-TTL input and output characteristic pin-out compatible The TRI-STATE outputs are capable of driving 15 LS-TTL loads All inputs are protected from damage due to static discharge by internal diodes to VCC and ground