Hex Inverter IC, 6-Ch, Open Collector, 5V, 16mA, PDIP
6-ch, 4.75-V to 5.25-V bipolar inverters with open-collector outputs 14-PDIP 0 to 70
SN7405NS
Hex inverters with open collector outputs 14-PDIP 0 to 70
SN7405NE4