Methods for preventing disturbance of antifuses during programmi

Details Methods for preventing disturbance of antifuses during programmi Methods for preventing disturbance of antifuses during programmi

1992-02-13

1993-03-16

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307465, 307468, 3652257, H01H 3776, H03K 19173

Patent

active

051947595

ABSTRACT:
A method to minimize disturbance of an already programmed antifuse while programming other antifuses in a circuit includes the steps of determining a preferred order in which to program the antifuses and programming them in the preferred order. High initial programming and soak currents are selected such that the disturb current is small with respect thereto. The magnitude of the disturb current is increased to a value that maintains the antifuse resistance or improves it rather than adversely affect it. Where a circuit node containing a first already programmed antifuse is positioned such that parasitic capacitances may discharge through that antifuse during the programming of a second antifuse, the magnitude of the charge stored at parasitic capacitances associated with the programming path is reduced by reducing the programming voltage when this programming situation is detected. After the initial rupturing of the antifuse dielectric is detected, the programming voltage is increased to its normal value for the soaking period.

REFERENCES:
patent: 4703206 (1987-10-01), Cavlan
patent: 4758745 (1988-07-01), Elgamal et al.
patent: 4823181 (1989-04-01), Mohsen et al.
patent: 4868426 (1989-09-01), Brockman
patent: 4873459 (1989-10-01), El Gamal et al.
patent: 4874968 (1989-10-01), Brockman et al.
patent: 4881114 (1989-11-01), Mohsen et al.
patent: 4899205 (1990-02-01), Hamdy et al.
patent: 4935645 (1990-06-01), Lee
patent: 4985649 (1991-01-01), Schuett et al.
patent: 5015885 (1991-05-01), El Gamal et al.

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