At 06:23 PM 30/04/97 +0200, you wrote:
> > From: "Vlad A. Sheyanov" <loi@IBSS.IUF.NET>
> > Subject:      Protected Bit in 16C74/JW
> > To: PICLIST@MITVMA.MIT.EDU
> >
> > Hi All !
> >
> > How I can delete protected bit in 16C74/JW with UV eraiser?
>
> Keep it 2-3-4 hours under eraser. (check chip's temperature!)

AND - make sure it cools down to room temperature before putting it back
in the programmer !

Rgds

Mike

Some say there is no magic but, all things begin with thought then it becomes
academic, then some poor slob works out a practical way to implement all that
theory, this is called Engineering - for most people another form of magic.
                                                                       Massen