| 摘要 |
The semiconductor memory device according to the present invention comprises a memory cell array having a plurality of memory cells, a plurality of bit lines, a plurality of word lines, a row decoder which selects a prescribed word line in response to a row address and a control signal, a test mode decision circuit which generates a test signal by deciding that the device is in a test mode, a control signal generating circuit which brings the control signal to the activated state and keeps it there for a prescribed duration in response to an instruction signal, wherein the control signal generating circuit has a means for setting the change of the control signal to the inactivated state in response to the occurrence of the test signal sooner than in the normal operation.
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