IN74HC27A
Triple 3-Input Positive-NOR Gate (IK Semiconductor)
IN74HC20A
Dual 4-Input NAND Gate (IK Semiconductor)
IN74HC21A
Dual 4-Input Positive-AND Gate (IK Semiconductor)
IN74HC221A
Dual Monostable Binary Up/Down Counter (IK Semiconductor)
IN74HC240A
Octal Buffer/Line Driver (IK Semiconductor)
IN74HC241A
Octal Buffer/Line Driver (IK Semiconductor)
IN74HC244A
Octal Buffer/Line Driver (IK Semiconductor)
IN74HC245A
Octal Bus Transceiver (IK Semiconductor)
IN74HC251A
8-1 Data Selector/Multiplexer (IK Semiconductor)
IN74HC253A
Dual 4-1 Data Selector/Multiplexer (IK Semiconductor)