Reference cell for integrated circuit security

Details Reference cell for integrated circuit security Reference cell for integrated circuit security

1996-12-24

1999-08-24

Palys, Joseph E.

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Protection at a particular protocol layer

G06F 1100

Patent

active

059419873

ABSTRACT:
A mechanism for providing security functions for an integrated circuit device is provided. In one particular embodiment of the present invention, the integrated circuit device includes an input coupled to a voltage supply. A reference circuit coupled to the input receives a voltage from the voltage supply. The reference circuit is coupled to a security circuit which implements a control function which renders circuits within the integrated circuit electronically inaccessible for a period of time.

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patent: 5537584 (1996-07-01), Miyai et al.
patent: 5594686 (1997-01-01), Hazen et al.
patent: 5726936 (1998-03-01), Whitfield

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