Importance

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Abstract

A semiconductor integrated circuit is capable of filling the need for more memory space through the effective use of an already-designed core block. A block (1) including a CPU, an array (4a) of a plurality of bonding pads, and RAMs (21a, 22a) which are first memories located on the same side of the array (4a) as the block (1) are already designed. The requirement for increased memory capacity can be filled with ease by the addition of RAMs (24a, 25a) which are second memories located on the opposite side of the array (4a) from the block (1). Since the second memories are different in physical configuration from the first memories, it is easy to design a physical configuration to achieve required memory capacity outside a core block (8a) within a single-chip microcomputer (9c).

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First Claim