CACHE MEMORY CIRCUIT

摘要

PROBLEM TO BE SOLVED: To actualize interleaving-system constitution in the cache memory circuit without using the cache memory circuit by fractionizing it into banks. SOLUTION: The inside of a cache memory circuit is divided into areas by groups and column address lines 341 to 344 by the divided groups, column decoders 351 to 354, and column selector circuits 381 to 384 are provided; and an array reference address is supplied by a row decoder 310 to a memory cell array 330 through a row select line 320 and column addresses by the groups are supplied to a column select circuit through the column address line by the column decoder.