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:
Oct. 03, 2006
Filed:
May. 20, 2004
Yoshinao Morikawa, Ikoma, JP;
Masaru Nawaki, Nara, JP;
Hiroshi Iwata, Nara, JP;
Akihide Shibata, Nara, JP;
Yoshinao Morikawa, Ikoma, JP;
Masaru Nawaki, Nara, JP;
Hiroshi Iwata, Nara, JP;
Akihide Shibata, Nara, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A semiconductor storage device is provided, which comprises a memory array comprising memory elements, a write state machine for performing a sequence of a program or erase operation with respect to the memory array, a decoder for decoding a signal indicating a current state of the write state machine, which is output from the write state machine, and outputting a status signal indicating a status of the program or erase operation with respect to the memory array, a status register for storing the status signal, and an output circuit for outputting the status signal stored in the status register. Each memory element comprises a gate electrode, a channel region, diffusion regions, and memory function sections provided on opposite sides of the gate electrode and having a function of retaining charges.