SN74S283
4-Bit Binary Full Adders (Texas Instruments)
SN74S283N
4-Bit Binary Full Adders (Texas Instruments)
SN74S20
Dual 4-Input Positive-NAND Gate (Texas Instruments)
SN74S225
16 x 5 ASYNCHRONOUS FIRST-IN FIRST-OUT MEMORY (Texas Instruments)
SN74S240
Octal Buffers and Line Drivers (Texas Instruments)
SN74S241
Octal Buffers and Line Drivers (Texas Instruments)
SN74S244
Octal Buffers and Line Drivers (Texas Instruments)
SN74S251
Data Selectors/Multiplexers (Texas Instruments)
SN74S253
Dual 4-Line To 1-Line Data Selectors/Multiplexers (Texas Instruments)
SN74S257
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS (Texas Instruments)