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:
Aug. 01, 2006
Filed:
Feb. 28, 2002
Takashi Horii, Higashimurayama, JP;
Ken Matsubara, Higashimurayama, JP;
Keiichi Yoshida, Musashimurayama, JP;
Takashi Horii, Higashimurayama, JP;
Ken Matsubara, Higashimurayama, JP;
Keiichi Yoshida, Musashimurayama, JP;
Renesas Technology Corp., Tokyo, JP;
Abstract
The disclosed flash memory is provided with a majority logic circuitand shift registersto. Three out of the bankstoof the memory respectively include management information areas KAs to store binary management information comprising power supply trimming data and bitline restoration data. During initialization of the flash memory, the majority logic circuitperforms error correction on management information bits retrieved from the management information areas KAs and outputs that information to a trimming/restoration data buffer, thus providing highly reliable management information very quickly. The shift registerstodelay a control signal that is output from a control circuitby a certain period of time before outputting the control signal to sense amplifiersto. This delay makes it possible to make the operating currents of the bankstostart to flow at different times and to suppress a peak current flowing in the flash memory.