Temperature detecting semiconductor device

Details Temperature detecting semiconductor device Temperature detecting semiconductor device

2006-06-14

2008-12-02

Mis, David (Department: 2817)

Oscillators

With device responsive to external physical condition

Temperature or light responsive

C331S057000

Reexamination Certificate

active

07459983

ABSTRACT:
There is provided a technique which is capable of detecting a temperature of a semiconductor device with high precision. A temperature detection circuit detecting a temperature of a semiconductor device includes a first short-cycle oscillator generating a first clock signal having positive temperature characteristics with respect to a frequency, a second short-cycle oscillator generating a second clock signal having negative temperature characteristics with respect to the frequency, and a temperature signal generation unit generating a temperature signal which is varied according to the temperature of the semiconductor device based on the first and second clock signals.

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