| 摘要 |
A semiconductor integrated circuit device has a RAM (1) which has a plurality of memory cell groups containing memory cells of a number corresponding to the number of words used, and a RAM (30, 40, 50, or 60) as a redundant circuit which has memory cell group containing memory cells of a number corresponding to the number of words of the RAM (1). Either one of data from the RAM (1) and data from the RAM (30, 40, 50, or 60) is selected by a selector circuit (5) to use the latter as a redundant circuit.
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