Nonvolatile semiconductor static random access memory device

Details Nonvolatile semiconductor static random access memory device Nonvolatile semiconductor static random access memory device

2007-12-11

2007-12-11

Nguyen, Viet Q. (Department: 2827)

Static information storage and retrieval

Systems using particular element

Flip-flop

C365S117000, C365S109000, C365S065000, C365S145000

Reexamination Certificate

active

11296434

ABSTRACT:
A nonvolatile semiconductor memory device obtained by combining a nonvolatile memory device with a SRAM is provided to improve operating speed and reliability. The nonvolatile semiconductor memory device includes a plurality of data registers. Preferably, each of the plurality of data registers includes a pull-up driving unit adapted and configured to pull up a storage node, a pull-down driving unit adapted and configured to pull down the storage node, a data input/output unit adapted and configured to selectively input and output data between a bit line and the storage node depending on a voltage applied to a word line, and a data storing unit adapted and configured to store data of the storage node depending on a voltage applied to a top word line and a bottom word line or to output the stored data to the storage node.

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