Method of anti-fuse repair

Details Method of anti-fuse repair Method of anti-fuse repair

1998-02-25

1999-11-02

Nguyen, Viet Q.

Static information storage and retrieval

Read only systems

Fusible

365100, 365103, 3652257, 257530, G11C 1716

Patent

active

059782480

ABSTRACT:
An integrated circuit anti-fuse is described which is fabricated as a capacitor using a layer of oxide. The two plates of the anti-fuse are coupled to appropriate voltage levels to rupture the oxide and form a conductive short between the plates. One of the plates is formed as a diffused well which is coupled to an external voltage during programming. The well is biased to an internal voltage during normal operation of the circuit incorporating the anti-fuse.

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