74LS05芯片.pdf 54LS05 DM54LS05 DM74LS05 Hex Inverters with Open-Collector Outputs June 1989 54LS05 DM54LS05 DM74LS05 Hex Inverters with Open-Collector Outputs General Description Pull-Up Resistor Equations This device contains six independent gates each of which VCC (Min) b VOH performs the logic INVERT function The open-collector out- RMAX e ……