High-yield methods for programming antifuses

Details High-yield methods for programming antifuses High-yield methods for programming antifuses

1992-06-09

1993-12-21

Westin, Edward P.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

365 96, 437172, H02H 720, G11C 1700

Patent

active

052723887

ABSTRACT:
A method for programming an antifuse of a selected technology type comprises the steps of (1) applying a preselected number of programming pulses to the antifuse at a voltage less than the maximum voltage at which antifuses of that selected technology type are known to program, (2) testing to see if the antifuse has been programmed, (3) increasing the programming voltage by a preselected increment and applying the preselected number of programming pulses to the antifuse if the antifuse has not been programmed, and (4) repeating steps (2) and (3) until the antifuse has been programmed. The antifuse may be identified as defective if it does not program after a selected number of attempts.

REFERENCES:
patent: 5008855 (1991-04-01), Eltoukhy et al.
patent: 5126282 (1992-06-01), Chiang
patent: 5134457 (1992-07-01), Hamdy
patent: 5194759 (1993-03-01), El-Ayat

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