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:
Sep. 06, 1994
Filed:
Aug. 12, 1992
Akira Nakagawara, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
A non-volatile memory comprises memory cells M arranged in a matrix (MB), word lines (W1 to Wn) for row selection, sub-bit lines (B: B12, B21, B22, B31), sub-column lines (C: C11, C12, C22), a column selection circuit 1, a bit line selection circuit 2, and a column line selection circuit 3. The word lines (W1 to Wn) are used as gates common to the rows of the memory cells M, a group of sub-bit lines B and sub-column lines C is selected by the column selection circuit 1, an even-numbered or odd-numbered sub-bit line B is selected from each group and connected to any one of main bit lines (B1, B2 and B3) by the bit line selection circuit 2, and an even-numbered or odd-numbered sub-column line (C) is selected from each group and connected to any one of main column lines (C1 and C2) by the column line selection circuit 3.