74ACT251
8-Input Multiplexer (Fairchild Semiconductor)
74ACT253
Dual 4-Input Multiplexer (National Semiconductor)
74ACT253
Dual 4-Input Multiplexer (Fairchild Semiconductor)
74ACT257
QUAD 2 CHANNEL MULTIPLEXER (STMicroelectronics)
74ACT257
Quad 2-Input Multiplexer (Fairchild Semiconductor)
74ACT258
Quad 2-Input Multiplexer (Fairchild Semiconductor)
74ACT20
DUAL 4-INPUT NAND GATE (STMicroelectronics)
74ACT240
OCTAL BUS BUFFER (STMicroelectronics)
74ACT240
Octal Buffer/Line Driver (Fairchild Semiconductor)
74ACT240
Octal Buffer/Line Driver (ON Semiconductor)