The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 08, 2025
Filed:
Aug. 02, 2023
Changxin Memory Technologies, Inc., Hefei, CN;
Kai Tian, Hefei, CN;
CHANGXIN MEMORY TECHNOLOGIES, INC., Hefei, CN;
Abstract
The present disclosure provides a memory device and a ZQ calibration method. The memory device includes a master chip and a plurality of slave chips. The master chip and the slave chips are each provided with a first transmission terminal and a second transmission terminal, where the first transmission terminals are connected to each other, and the second transmission terminals are connected to each other; and a first signal receiver and an address transmitter are provided in the master chip, and a second signal receiver is provided in the slave chip, the address transmitter is configured to send an address signal; a current slave chip sends the ZQ flag signal after completing the calibration; and the address transmitter is configured to send a next address signal.