INTEGRATED CIRCUIT HAVING MEMORY WITH LOW VOLTAGE READ/WRITE OPERATION

摘要

PROBLEM TO BE SOLVED: To provide an integrated circuit having a memory with a low voltage read/write operation without increasing the size of a bitcell.

SOLUTION: A discharge circuit is coupled to a power supply voltage node of each of a plurality of memory cells, and changes the voltage on the power supply voltage node of each of the selected plurality of memory cells during a first portion of a write operation from a first power supply voltage to a predetermined voltage below the first power supply voltage. A memory cell power supply multiplexing circuit is coupled to the power supply voltage node of each of the plurality of memory cells; provides a first power supply voltage to the power supply voltage node of a selected column of memory cells during a write operation; and provides a second power supply voltage greater than the first power supply voltage to the power supply voltage node of all of the unselected columns during the write operation.

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