Integrated circuit provided with switching elements for changeov

Details Integrated circuit provided with switching elements for changeov Integrated circuit provided with switching elements for changeov

1987-12-16

1989-08-22

Hecker, Stuart N.

Static information storage and retrieval

Read/write circuit

Plural use of terminal

365200, G11C 700, G11C 1140

Patent

active

048602566

ABSTRACT:
In an integrated circuit provided with a memory including redundancy elements and fuses for switching-over to the redundancy elements, a supplementary terminal for receiving a high voltage is connected to all the fuses and to a circuit which generates low voltage at the time of programming of the memory and which is capable of presenting high impedance when the high voltage is applied, with the result that the entire current flows through the fuses selected for blowout.

REFERENCES:
patent: 4714839 (1987-12-01), Chung
patent: 4720817 (1988-01-01), Childers
patent: 4734885 (1988-03-01), Luich
Hewlett-Packard Journal, vol. 34, No. 8, about 1983, pp. 20-24, Amstelveen NL; J. K. Wheeler et al.: "128K-Bit MMOS Dynamic RAM with Redundancy" p. 23, colonne de droite.

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