二组
4506 CMOS 双二组2输入可扩展与或非门
005000500065is an Rbe as as as as is OI be to an OI is in 3 dc 8 ( 0.5 DC 0.5 DC 10 500 65 150 8260 to P ” 7.0 0095C 5o 125L” 12 0095C 00o 12546Z = ( E + I)19951/9420 55 25C 48D 51to or be to to be