word line disturbance

["David Müller (ELSOFT AG)"]

Hello

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.
> 

Does anybody know more about the technical background of this "it's not
a bug, it's a feature" problem? Or is it just a manager driven decision
to save some money at the wrong place?


Dave