Calibration circuit, memory and calibration method

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11935621
SERIAL NO

17448051

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A calibration circuit includes: a differential input circuit, configured to receive first and second oscillation signals, the first and second oscillation signals having the same frequency and opposite phases, duty cycle of the first oscillation signal and duty cycle of the second oscillation signal being in a first preset range, and the differential input circuit being configured to output first and internal signals; a comparison unit, connected to an output end of the differential input circuit and configured to compare duty cycle of the first internal signal and/or duty cycle of the second internal signal; and a logical unit, connected to the comparison unit and the differential input circuit, and configured to control the differential input circuit according to an output result of the comparison unit, such that the duty cycle of the first internal signal and/or the duty cycle of the second internal signal reaches a second preset range.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
CHANGXIN MEMORY TECHNOLOGIES INC230601 NO 388 XINGYE AVENUE AIRPORT INDUSTRIAL PARK HEFEI ECONOMIC AND TECHNOLOGICAL DEVELOPMENT ZONE ANHUI PROVINCE HEFEI CITY ANHUI PROVINCE 230601

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Tian, Kai Hefei, CN 52 122
Wang, Yuxia Hefei, CN 11 10

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Sep 19, 2027
7.5 Year Payment $3600.00 $1800.00 $900.00 Sep 19, 2031
11.5 Year Payment $7400.00 $3700.00 $1850.00 Sep 19, 2035
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00