54F20
Dual 4-Input NAND Gate (National Semiconductor)
54F219
64-Bit Random Access Memory (National Semiconductor)
54F2244
Octal Buffer/Line Driver (National Semiconductor)
54F240
Octal Buffers/Line Drivers (National Semiconductor)
54F241
Octal Buffers/Line Drivers (Texas Instruments)
54F241
Octal Buffers/Line Drivers (National Semiconductor)
54F242
QUAD BUS TRANCEIVERS (Motorola)
54F243
QUAD BUS TRANCEIVERS (Motorola)
54F243
Quad Bus Transceiver with TRI-STATE Outputs (National Semiconductor)
54F243
QUADRUPLE BUS TRANSCEIVERS (Texas Instruments)