| 摘要 |
A sensor amplifier of a differential amplifier type having an input selecting function. The sense amplifier has a pair of input circuit portions receiving a plurality of pairs of complementary input signals, one of the input circuit portions has a plurality of circuit units each generating the amplified output of one of a pair of complementary input signals in response to an address signal applied thereto, and the other input circuit portion comprising a plurality of circuit units each generating the amplified output of the other one of the pair of complementary input signals in response to the address signal applied thereto, The sense amplifier selects one of a plurality of pairs of complementary input signals, i.e., complementary signals on bit lines or on data buses, in accordance with the address signal and generates an output signal corresponding to a selected pair of complementary input signals.
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