Semiconductor memory device

Details Semiconductor memory device Semiconductor memory device

2006-07-18

2006-07-18

Phung, Anh (Department: 2824)

Static information storage and retrieval

Read/write circuit

Signals

C365S185280

Reexamination Certificate

active

07079429

ABSTRACT:
There is provided a semiconductor memory device in which data, stored in a unit data storage section configured by one or more data storage elements, is erased to be formed into a specific erasure data pattern. The semiconductor memory device has a data protection mechanism in which a determination is made as to whether or not data stored in the unit data storage section has the erasure data pattern, and programming of the data into the unit data storage section is inhibited when the data is not in the erasure data pattern. This mechanism can protect already programmed data from being destroyed due to programming error at the time of programming the data.

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