Multi-sampled, charge-sharing thermometer in memory device

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12148483
APP PUB NO 20240120012A1
SERIAL NO

18539798

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Abstract

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A memory device includes an array of memory cells, a diode having a threshold voltage that changes with temperature, an analog-to-digital converter (ADC), and a pulse generator. The ADC includes a voltage comparator having a positive terminal coupled with the diode. The ADC further includes a first capacitor coupled between a negative terminal of the voltage comparator and ground, and a second capacitor selectively coupled between the first capacitor and a voltage reference node. The second capacitor has a smaller capacitance than that of the first capacitor. The pulse generator is coupled with the ADC and generates pulses. The pulses cause the first capacitor to connect to the second capacitor and equalize charge between the first capacitor and the second capacitor. An inverted signal of the pulses causes the second capacitor to be coupled with the voltage reference node to pre-charge the first capacitor.

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Patent Owner(s)

Patent OwnerAddress
MICRON TECHNOLOGY INC2805 EAST COLUMBIA ROAD BOISE ID 83706

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Macerola, Agostino San Benedetto dei Marsi, IT 30 163
Rea, Gianni Avezzano, IT 2 2

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