SN74ALS20A
Dual 4-Input Positive-NAND Gate (Texas Instruments)
SN74ALS232B
First-In First-Out Memory (Texas Instruments)
SN74ALS240A
OCTAL BUFFERS/DRIVERS (Texas Instruments)
SN74ALS241C
Octal Buffers/Drivers (Texas Instruments)
SN74ALS243A
Quadruple Bus Transceiver (Texas Instruments)
SN74ALS244C
OCTAL BUFFERS AND LINE DRIVER (Texas Instruments)
SN74ALS245A
OCTAL BUS TRANSCEIVER (Texas Instruments)
SN74ALS251
1-of-8 Data Selectors/Multiplexers (Texas Instruments)
SN74ALS253
Dual 1-of-4 Data Selectors/Multiplexers (Texas Instruments)
SN74ALS257A
Quad 2-Line To 1-Line Data Selectors/Multiplexers (Texas Instruments)