发明授权
US5961215A Temperature sensor integral with microprocessor and methods of using same
失效
温度传感器与微处理器集成，使用方法
- 专利标题： Temperature sensor integral with microprocessor and methods of using same
- 专利标题（中）： 温度传感器与微处理器集成，使用方法
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申请号： US938392申请日： 1997-09-26
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公开(公告)号： US5961215A公开(公告)日： 1999-10-05
- 发明人: Thomas H. Lee , Mark G. Johnson , Matthew P. Crowley
- 申请人： Thomas H. Lee , Mark G. Johnson , Matthew P. Crowley
- 申请人地址： CA Sunnyvale
- 专利权人： Advanced Micro Devices, Inc.
- 当前专利权人： Advanced Micro Devices, Inc.
- 当前专利权人地址： CA Sunnyvale
- 主分类号： G01K7/01
- IPC分类号： G01K7/01
摘要：
A temperature sensor includes a bandgap reference circuit for providing a temperature-independent reference voltage, a biasing circuit that mirrors a current in the bandgap reference circuit for providing a temperature-dependent biasing voltage, and an amplifier responsive to the reference voltage and the biasing voltage for providing a temperature-dependent output voltage. Preferably, the temperature sensor is integral with a microprocessor and implemented in CMOS technology. The temperature sensor can be used, for instance, to reduce the clock speed of the microprocessor when the microprocessor temperature exceeds a predetermined temperature, or to store temperature-indicating data in non-volatile memory of the microprocessor to provide a thermal history of the microprocessor.
公开/授权文献
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