| 摘要 |
A memory cell array stores data in its row and column directions. A counter counts clock signal pulses, represents the counted value by using binary system, and outputs, as the column address, values occupying predetermined lower bit positions, while supplying values occupying predetermined upper and lower bit positions into an adder circuit. The adder circuit processes the values supplied, and outputs, as the row address, the values thus processed, so that the memory cell array is accessed diagonally.
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