Semiconductor devices

Details Semiconductor devices Semiconductor devices

1996-03-20

1997-11-04

Fears, Terrell W.

Static information storage and retrieval

Read only systems

Fusible

36523001, 365207, G11C 1300

Patent

active

056847327

ABSTRACT:
A semiconductor device has a constant-current circuit selectively operative in an operation mode among a writing mode in which a writing current for causing the antifuse to change in state from a breaking state to a conductive state is supplied to the antifuse, a sense mode in which a sensing current for detecting a state of the antifuse is supplied to the antifuse, and an additional writing mode in which an additional writing current for performing an additional writing is supplied to the antifuse which is subjected to writing.

REFERENCES:
patent: 5063537 (1991-11-01), Akrout et al.
patent: 5243226 (1993-09-01), Chan
patent: 5302546 (1994-04-01), Gordon et al.
patent: 5313119 (1994-05-01), Cooke et al.
International Application No. WO 92/01994, Feb. 1992.
International Application No. WO 93/06206, Apr. 1992.
International Application No. WO 92/17001, Oct. 1992.
International Application No. WO 93/03497, Feb. 1993.

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