CD74HC240
High-Speed CMOS Logic Octal Buffer/Line Drivers (Texas Instruments)
CD74HC243
Quad-Bus Transceiver (Texas Instruments)
CD74HC244
High-Speed CMOS Logic Octal Buffer/Line Drivers (Texas Instruments)
CD74HC245
High-Speed CMOS Logic Octal-Bus Transceiver (Texas Instruments)
CD74HC20
Dual 4-Input NAND Gates (Texas Instruments)
CD74HC20E
Dual 4-Input NAND Gates (Texas Instruments)
CD74HC20M
Dual 4-Input NAND Gates (Texas Instruments)
CD74HC21
Dual 4-Input AND Gates (Texas Instruments)
CD74HC21E
Dual 4-Input AND Gates (Texas Instruments)
CD74HC21M
Dual 4-Input AND Gates (Texas Instruments)