[sdiy] More old chips...BA651/BA652

[dj hohum]

Hi Peter,

Perhaps. These are both 14 pin dips. I know of the roland BA-662 but I
believe that it's a nine pin sip.

Daryl

On 7/15/07, Peter Blackett <dragon.servicing at virgin.net> wrote:
> Hi,
> well they are made by Rohm, but I wasn't able to find a datasheet
> unfortunately.
> the number may be similar to some ic's used in some Roland equipment ?
> regards Peter
>
> > Hi All,
> >
> > I can't seem to find anything on these. They must have something to do
> > with compansion/expansion as they came from an old DBX noise reduction
> > unit and the only other ICs on the boards were 4558s. I am unable to
> > find a datasheet on them, however, or even a schematic which would
> > show the pinout.
> >
> > tnx,
> > Daryl
>
>
>