| 摘要 |
A system for driving a biopolar RAM, comprising: a first means for changing the potentials of word lines responsive to the selected, or non-selected state thereof, the potential of the one selected word line being higher than that of the other non-selected word lines; and a second means for changing the potentials of the non-selected word lines responsive to the read or write mode, the potentials of the non-selected word lines being lower during the read mode than during the write mode.
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