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:
Jun. 06, 2000
Filed:
Apr. 23, 1998
Kenshiro Arase, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A semiconductor nonvolatile memory device where the source line is selected and the channel portions of NAND strings adjacent in the row direction are charged up to the programming prohibit potential, the programming prohibit potential charged in the channel portion of the NAND strings is discharged to the bit lines according to the content of data to be programmed, and then the programming voltage is supplied to the selected word line and page programming is carried out together for memory transistors connected to the selected word lines. By this, the memory is suited for operation by a single power supply at a low voltage, enables easy layout of the data latch circuits for every bit line, and in addition performs a data programming operation with a good disturb tolerance.