Invention Grant
- Patent Title: Temperature sensor based on different wire temperature coefficient of resistance (TCR)
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Application No.: US16549636Application Date: 2019-08-23
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Publication No.: US11428583B2Publication Date: 2022-08-30
- Inventor: Lorraine Wang , Shih-Lien Linus Lu
- Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
- Applicant Address: TW Hsinchu
- Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
- Current Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
- Current Assignee Address: TW Hsinchu
- Agency: Sterne, Kessler, Goldstein & Fox P.L.L.C.
- Main IPC: G01K7/00
- IPC: G01K7/00 ; G01K3/00 ; G01K7/02 ; G01K7/18

Abstract:
A temperature sensor is disclosed that determines whether the temperature of an integrated circuit (IC) is within a normal temperature range. A low threshold monitor circuit senses whether the temperature of the IC is above or below a minimum temperature threshold. A high threshold monitor circuit configured senses whether the temperature of an integrated circuit (IC) is above or below a maximum temperature threshold. The minimum temperature threshold is determined by an intersection of a first temperature coefficient of resistance (TCR) and a second TCR that are associated with a first pair of conductive lines. The maximum temperature threshold is determined by an intersection of a third TCR and a fourth TCR associated that are with the second pair of conductive lines.
Public/Granted literature
- US20210055166A1 TEMPERATURE SENSOR BASED ON DIFFERENT WIRE TEMPERATURE COEFFCIENT OF RESISTANCE (TCR) Public/Granted day:2021-02-25
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