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. 04, 2001
Filed:
Feb. 17, 2000
Lee Edward Cleveland, Santa Clara, CA (US);
Kendra Nguyen, San Jose, CA (US);
Advanced Micro Devices, Inc., Sunnyvale, CA (US);
Abstract
A flash memory device (,) includes a core cell array including two banks (,) of core cells and address decoding circuitry (,) and a write protect circuit. The write protect circuit includes sector write protect circuits (,) associated with respective sectors (,) of the core cell array in storing write protect data for the associated sector. The write protect circuit further includes a switch circuit (,) which selects one sector write protect signal in response to a write select signal to produce a combined write protect signal. The write protect circuit further includes an output circuit (,) coupled to the switch circuit to produce a sector write protect signal.