Patent ID: 7023747

Claim:
A semiconductor memory device, comprising: a dynamic memory cell array further comprising an array of a plurality of dynamic memory cells; a static memory cell array further comprising an array of a plurality of static memory cells; a first conversion means for converting an external address into an address which corresponds to any memory cell in said dynamic memory cell array or said static memory cell array; a memory cell specifying means for specifying at least one memory cell in said dynamic memory cell array, said at least one memory cell being to be replaced; and a second conversion means for converting an external address, which corresponds to said at least one memory cell specified by said memory cell specifying means, into an address, which corresponds to a predetermined memory cell in said static memory cell array, wherein said memory cell specifying means specifies a memory cell which is to be replaced in said dynamic memory cell array and also specifies another memory cell which is to be replaced in said static memory cell array.