Programmed programmable device and method for programming antifu

Details Programmed programmable device and method for programming antifu Programmed programmable device and method for programming antifu

1992-08-27

1996-08-06

Trans, Vincent N.

Boots, shoes, and leggings

364488, 326 38, 326 41, H03K 19177

Patent

active

055440703

ABSTRACT:
A programmable device comprises a first antifuse programmed with a first programming method and a second antifuse programmed with a second programming method, whereby an actual operating current flowing through the second antifuse exceeds a maximum permissible operating current of the first antifuse but does not exceed a maximum permissible operating current of the second antifuse, whereby an actual operating current flowing through the first antifuse does not exceed the maximum permissible operating current of the first antifuse, and whereby an actual operating current flowing through the second antifuse does not exceed the maximum permissible operating current of the second antifuse. By allowing the use of a programming method on some antifuses which would not be adequate for the programming of other antifuses, the realization of user-specific circuits in field programmable devices is facilitated and the reliability of user-specific circuits realized in field programmable devices is enhanced.

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