Apparatus and method for a dynamic random access architecture

摘要

A memory unit 30 is provided with a first and second sense amplifier array 32A and 32B. The storage cells 31 of the memory unit are coupled to both sense amplifier arrays. A control unit 34 is provided which controls the operation of the two sense amplifier arrays. The control unit determines through which sense amplifier array data signals are transferred to and from the storage cells. The sense amplifier array not exchanging signals with the I/O terminals can perform the precharge operations and write-back operations. Synchronous operation of the memory unit and a data processing unit can be maintained by alternating the sense amplifier array performing the current memory access operation.