Redundant circuit for semiconductor device having a controllable

Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – Redundant

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Details

327525, 327544, 365 96, 365227, G06F 1116

Patent

active

06100748&

ABSTRACT:
A redundant circuit for a semiconductor device including a fuse program means producing a control signal determining whether or not a chip is normal; a high-voltage generating means producing a first voltage or second voltage according to a control signal from the fuse program means; and an on-chip redundant decoding means driven by the first voltage or second voltage produced from the high-voltage generating means. In case that the chip is normal, the high-voltage generating means generates the first voltage, and in case that the chip fails, the high-voltage generating means produces the second voltage. The first voltage is an output voltage from the high-voltage generating means, and the second voltage is an output voltage higher than the first voltage.

REFERENCES:
patent: 4695745 (1987-09-01), Mimoto et al.
patent: 5038368 (1991-08-01), Lee
patent: 5410510 (1995-04-01), Smith et al.
patent: 5877992 (1999-03-01), Wu et al.
patent: 5907513 (1999-03-01), Kato
patent: 5909142 (1999-06-01), Kawasaki et al.

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