Decoder circuit and method for disabling a number of columns or

Details Decoder circuit and method for disabling a number of columns or Decoder circuit and method for disabling a number of columns or

1996-12-23

1998-10-27

Nelms, David C.

Static information storage and retrieval

Addressing

Particular decoder or driver circuit

3652257, 365200, G11C 800

Patent

active

058286241

ABSTRACT:
The present invention concerns a method and apparatus for disabling columns using a local fuse decoding system. The present invention uses local decoding in order to use a number of fuses that is less than the number of columns in order to disable column failures. This is particularly useful when the fuse pitch is greater than the column pitch which does not allow for a fuse to be implemented in each column.

REFERENCES:
patent: 5530674 (1996-06-01), McClure et al.
patent: 5548555 (1996-08-01), Lee et al.
patent: 5590085 (1996-12-01), Yuh et al.
patent: 5612918 (1997-03-01), McClure
patent: 5621691 (1997-04-01), Park

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