Method and device for refreshing dynamic semiconductor memory de

Details Method and device for refreshing dynamic semiconductor memory de Method and device for refreshing dynamic semiconductor memory de

1986-08-11

1988-07-19

Popek, Joseph A.

Static information storage and retrieval

Read/write circuit

Data refresh

365201, 371 21, G11C 700

Patent

active

047589922

ABSTRACT:
A method and device for refreshing a dynamic semiconductor memory device comprising a memory cell array having a matrix arrangement of memory cells each designated by a row address and a column address and an error checking and correcting circuit, where the row address is received from an exterior in response to a row address strobe signal and the column address is received from the exterior in response to a column address strobe signal, performs a refresh operation when the column address strobe signal becomes low before the row address strobe signal, and selectively performs refresh operations with and without an error checking and correcting operation of the error checking and correcting circuit depending on timings of the row and column address strobe signals.

REFERENCES:
patent: 4183096 (1980-01-01), Cenker et al.
patent: 4412314 (1983-10-01), Proebsting

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