From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.imc-berlin.de ([217.110.46.186] helo=mail.berlin.imc-berlin.de) by pentafluge.infradead.org with esmtp (Exim 4.22 #5 (Red Hat Linux)) id 1A9ROn-0007bz-3n for ; Tue, 14 Oct 2003 16:47:49 +0100 Message-ID: <3F8C1A60.5070401@imc-berlin.de> Date: Tue, 14 Oct 2003 17:46:40 +0200 From: Steven Scholz MIME-Version: 1.0 To: =?ISO-8859-1?Q?Magnus_M=E5rtensson?= References: <3C6BEE8B5E1BAC42905A93F13004E8AB03202232@mailse01.axis.se> In-Reply-To: <3C6BEE8B5E1BAC42905A93F13004E8AB03202232@mailse01.axis.se> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit cc: linux-mtd@lists.infradead.org Subject: Re: word line disturbance List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Magnus Mårtensson wrote: > Hi. > I had a discussion with flash manufacturer Atmel last week regarding a phenomenon that we had seen. > The phenomenon was called "word line disturbance" and it could occur if you tried to program only ones > to a location that already contained ones. The result could be that some bit on another address got tainted. Ex > writing 0xffff to address A could result in the content on address B changing from 0xffff to 0xfffe. > ... Which types of flash memory are effected by this interessting "feature"? Steven