27256 in place of a 2764

[Alexis]

On Sun, 2008-01-27 at 19:51 -0800, David Griffith wrote:
> On Mon, 28 Jan 2008, Alexis wrote:
> > On Sun, 2008-01-27 at 19:37 -0800, David Griffith wrote:
> > > Under what conditions can a 27256 be used in place of a 2764?  I have a
> > > schematic that calls for the latter, of which I have none, but I have lots
> > > of the former.
> 
> > Ground the extra address pins and write the data to the lowest 8k of the
> > ROM. They are pins 1 and 26.
> >
> > Make sure the grounded pins aren't attached to anything else on the
> > circuit.
> 
> I see 1 is Vpp (which won't be used anyhow).  The extra address pins are
> 26 and 27.  Am I right?
> 

Sorry I was looking on the wrong section of my chart. Yes it is 26 and
27. *embarrassed*

Alexis.