Delay line circuit with variable delay line unit

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United States of America Patent

PATENT NO 9203387
SERIAL NO

14187951

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Abstract

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A delay line circuit comprises a plurality of delay units configured to receive an input signal and modify the input signal to produce a first output signal. The delay line circuit also comprises a variable delay line unit that comprises an input end configured to receive the first output signal; an output end configured to output a second output signal; a first line between the input end and the output end, the first line comprising, in series, a first inverter, a second inverter, a first speed control unit, and a third inverter; a second line between the input end and the output end, the second line comprising, in series, a fourth inverter, a second speed control unit, a fifth inverter, and a sixth inverter. The delay line circuit is also configured to selectively transmit the received first output signal through one of the first line or the second line.

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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)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chern, Chan-Hong Palo Alto, US 205 1709
Hsueh, Fu-Lung Kaohisung, TW 147 2470
Huang, Ming-Chieh San Jose, US 116 891
Huang, Tsung-Ching Mountain View, US 36 225
Lin, Chih-Chang San Jose, US 138 720

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