On-chip electrically alterable resistor

Details On-chip electrically alterable resistor On-chip electrically alterable resistor

2008-05-27

2008-05-27

Le, Dinh T. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

C333S08100R, C327S234000

Reexamination Certificate

active

07378895

ABSTRACT:
A programmable, electrically alterable (EA) resistor, an integrated circuit (IC) chip including the EA resistor and integrated analog circuits using on-chip EA resistors. Phase change storage media form resistors (EA resistors) on an IC that may be formed in an array of parallel EA resistors to set variable circuit bias conditions for circuits on the IC and in particular, bias on-chip analog circuits. The bias resistance is changed by changing EA resistor phase. Parallel connection of the parallel EA resistors may be dynamically alterable, switching one or more parallel resistors in and out digitally.

REFERENCES:
patent: 5296835 (1994-03-01), Nakamura
patent: 5650739 (1997-07-01), Hui et al.
patent: 5790331 (1998-08-01), Aranovsky
patent: 6404274 (2002-06-01), Hosono et al.
patent: 6853585 (2005-02-01), Lee et al.

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