Temperature detector in an integrated circuit

Details Temperature detector in an integrated circuit Temperature detector in an integrated circuit

2007-10-31

2009-12-08

Le, Vu A (Department: 2824)

Static information storage and retrieval

Read/write circuit

Differential sensing

C365S233100, C365S222000

Reexamination Certificate

active

07630267

ABSTRACT:
A temperature detector in an integrated circuit comprises a temperature-dependent voltage generator, a ring oscillator, a timer and a clock-driven recorder. The temperature-dependent voltage generator is configured to generate at least one temperature-dependent voltage. The ring oscillator is configured to generate a clock signal, which is affected by one of the at least one temperature-dependent voltage. The timer is configured to generate a time-out signal, which is affected by one of the temperature-dependent voltage. The clock-driven recorder has a clock input terminal in response to the clock signal and time-out signal.

REFERENCES:
patent: 5691661 (1997-11-01), Fukuda et al.
patent: 2002/0133789 (2002-09-01), Hsu et al.
patent: 2003/0155903 (2003-08-01), Gauthier et al.
patent: 2005/0071705 (2005-03-01), Bruno et al.
patent: 2005/0253661 (2005-11-01), Lee
patent: 2006/0140037 (2006-06-01), Lovett
patent: 2007/0036017 (2007-02-01), Seo
patent: 2008/0084249 (2008-04-01), Noguchi

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