To reduce a leak electric power at the time of standby and to improve the yield in manufacturing.
This memory is provided with a plurality of memory cells 1211-12mn, arranged in a matrix state consisting of rows and columns, cell power source supply lines 131-13m, 141-14n connected so that a drive current is supplied commonly to memory cells belonging to the rows or the columns, a plurality of pieces of current detecting means 161-16m, 231-23m for detecting a current flowing in these cell power source supply lines, detected result read-out means 17, 24 reading out a current detected result detected by these current detecting means, means 151-15m, 221-22n cutting off a drive current flowing in the cell power source supply line based on the output of this means 17 or 24.
KAWAGUCHI HIROSHI
KANDA KOICHI
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