Apparatus and method for detecting reflow process

Circuitry and method for detecting occurrence of a reflow process to an embedded storage device are disclosed. A temperature sensing device includes a resistor, a temperature sensor, and a comparator. The first terminal of the resistor is coupled to a voltage source, and the second terminal of the r...

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Bibliographische Detailangaben
Hauptverfasser:	HELLER TAL, LOBANA SUKHMINDER SINGH, DUZLY YACOV
Format:	Patent
Sprache:	eng
Schlagworte:	INFORMATION STORAGE INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING QUANTITY OF HEAT MEASURING TEMPERATURE PHYSICS STATIC STORES TESTING THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:	Circuitry and method for detecting occurrence of a reflow process to an embedded storage device are disclosed. A temperature sensing device includes a resistor, a temperature sensor, and a comparator. The first terminal of the resistor is coupled to a voltage source, and the second terminal of the resistor is coupled to both the first terminal of the temperature sensor and the first input of the comparator. The second terminal of the temperature sensor is grounded and the second input of the comparator is coupled to a reference voltage. The resistance state of the temperature sensor changes from a first resistance state to a second resistance state when the temperature surrounding the temperature sensor reaches a threshold. The comparator generates an output based on the resistance changes of the temperature sensor. The generated output may indicate whether a reflow process has occurred to the embedded storage device.