Level shifting circuit, apparatus and method of operating the same

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United States of America Patent

PATENT NO 9871521
SERIAL NO

15049919

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Abstract

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A level shifting circuit includes an input circuit, a leakage divider circuit, a skew inverter circuit and a buffering circuit. The input circuit has an input terminal configured to receive an input voltage. The input circuit is configured to receive a first voltage and a second voltage. The leakage divider circuit is configured to receive a third voltage. The leakage divider circuit is connected to the input circuit. The skew inverter circuit is configured to receive the third voltage. The skew inverter circuit is connected to the leakage divider circuit and the input circuit. The buffering circuit has a terminal configured to output an output voltage. The buffering circuit is connected to an output terminal of the skew inverter circuit. The level shifting circuit is free of capacitors.

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Patent Owner(s)

Patent OwnerAddress
TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD8 LI-HSIN RD 6 HSINCHU SCIENCE PARK HSINCHU 300-78

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chern, Chan-Hong Palo Alto, US 230 1822
Huang, Ming-Chieh San Jose, US 116 927
Huang, Tsung-Ching (Jim) Mountain View, US 14 94
Lin, Chih-Chang San Jose, US 143 755

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