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:
Apr. 11, 2000
Filed:
Feb. 03, 1998
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Abstract
A semiconductor memory device includes a memory cell array in which memory cell units are arranged in a matrix, each memory cell unit being constructed by connecting plural memory cells, each of which is electrically rewritable, a select gate connected to a select gate line for connecting a memory cell unit to a bitline, a precharge circuit connected to a first node of the bitline, for supplying a precharge voltage higher than an power supply voltage in programming of data, and a latch circuit connected to a second node of the bitline via a transfer gate for holding data to be programmed into a memory cell, wherein channels of the plurality of the memory cells constituting a selected memory cell unit are charged to the precharge voltage in programming of data.