Octal 3-State Buffer/Line Driver, 8-Bit, 5V, PDIP
Buffer/Line Driver 8-CH Non-Inverting 3-ST Bipolar 20-Pin PDIP Tube
Octal Buffer/Line Driver, 3-State, 20-PDIP, 5V, 9ns
74S Series 8-Ch 3-State Buffer/Driver PDIP