ADDRESS DECODER, SEMICONDUCTOR MEMORY AND SEMICONDUCTOR DEVICE

摘要

FOR MAKING IT MORE DIFFICULT TO PREDICT WHICH SIGNAL LINE AMONG SECOND SIGNAL LINES (330-337) IS CONDUCTIVE IN ACCORDANCE WITH ADDRESS DESIGNATION SIGNALS (AO TO A3). ADDRESS DECODER COMPRISES A SWITCHING DEVICE (35) WHICH IS ARRANGED SUCH THAT ONE OF SIGNAL LINES OTHER THAN THE SIGNAL LINE (33M) AMONG O-TH TO N-TH SIGNAL LINES (330-337) IS CONDUCTIVE IN ACCORDANCE WITH AT LEAST TWO KINDS OF ADDRESS DESIGNATION SIGNALS.