| 摘要 |
A semiconductor memory device which writes information by rendering particular memory cells conductive or non-con-ductive, wherein, when a selected memory cell is to be read out, a power supply voltage is applied to the collector of a transistor which feeds a base current to a final stage transistor of a decoder circuit which is connected to word lines, and when information is to be written in, a voltage higher than the power supply voltage is applied to the same collector.
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