Static information storage and retrieval – Read/write circuit – Having fuse element
Reexamination Certificate
2005-03-15
2005-03-15
Dinh, Son T. (Department: 2824)
Static information storage and retrieval
Read/write circuit
Having fuse element
C365S189120
Reexamination Certificate
active
06868028
ABSTRACT:
A circuit configuration for driving a programmable link has a drive circuit for the selection and blowing of the fuse, and also a shift register, by which an activation signal can be fed to the drive circuit. In order to provide the data to be blown, in a preferred embodiment, a volatile memory cell may be provided. The present circuit configuration enables the blowing of fuses and thus repair of defective memory cells in mass memories even after encapsulation of a chip having the mass memory. Moreover, the shift register described effectively prevents impermissibly high currents from being able to occur as a result of simultaneous blowing of too many fuses.
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Kaiser Robert
Schamberger Florian
Dinh Son T.
Greenberg Laurence A.
Infineon - Technologies AG
Locher Ralph E.
Stemer Werner H.
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