54ACT251
8-Input Multiplexer (National Semiconductor)
54ACT251
8-Input Multiplexer (Texas Instruments)
54ACT253
Dual 4-Input Multiplexer (National Semiconductor)
54ACT257
Quad 2-Input Multiplexer (Texas Instruments)
54ACT258
Quad 2-Input Multiplexer (National Semiconductor)
54ACT240
Octal Buffer/Line Driver (National Semiconductor)
54ACT241
Octal Buffer/Line Driver (National Semiconductor)
54ACT241-N
Octal Buffer/Line Driver (Texas Instruments)
54ACT244
Octal Buffer/Line Driver (National Semiconductor)
54ACT244-N
Octal Buffer/Line Driver (Texas Instruments)