| 摘要 |
A semiconductor memory device according to the present invention includes a burst counter for sequentially automatically generating an address of a predetermined bit number in synchronism with a clock on the basis of a predetermined sequence in the subsequent operation cycle in accordance with the inputted initial address, and a plurality of memory cell sub-arrays which is formed by dividing a memory cell array. The semiconductor memory device further comprises a plurality of block decoder selection-time adjusting circuits for sequentially outputting a first block selecting signal, which is the base of a signal for selecting each of the memory cell sub-arrays, as a second block selecting signal at a timing corresponding to a read latency and for outputting the first block selecting signal as a third block selecting signal which has a length corresponding to the read latency.
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