74HCT7245 Octal Schmitt-trigger transceiver; 3-state
74HCT7245D-T Single 8-bit Bus Transceiver
74HCT7273 Octal D-type flip-flop with reset; positive edge-trigger; open drain outputs
74HCT72731 From datasheet system
74HCT7273D Octal D-type flip-flop with reset; positive edge-trigger; open drain outputs
74HCT7273N Octal D-type flip-flop with reset; positive edge-trigger; open drain outputs