On Fri, 6 Jun 2003 17:30:50 -0400, Chris Loiacono wrote:
>=A0
>=A0I see there are driver chips available, but they are not easily f=
ound
>=A0in stock with my favorite distributors.
>=A0
>=A0Should I continue with my own driver circuit, or is it better to=
=20
>=A0simply locate driver chips, and if so, where might I actually fin=
d=20
>=A0some that exist beyond being entered on a price list???

I do a lot of small battery powered LCD display designs. I've found i=
t=20
easiest to use a microcontroller that has LCD drivers on-board, howev=
er=20
I also run across the occasional application that warrants a separate=
=20
LCD controller (i.e. a really simple micro application, low I/O and=
=20
memory needs except for LCD drive).

In those cases, I have had great luck with Philips I2C LCD controller=
s.
I keep a tube of PCF8566's in my engineering stock even. They do=20
static, 1->4 backplanes, on-chip bias generator, work from 2.5 to 6V=
=20
and are really low power devices. Easy to use and versatile.

Arrow generally has them in stock and you can buy them online. Last I
checked they were ~$3USD in single piece qty.

http://www.semiconductors.philips.com/pip/PCF8566U_F1.html=20

Matt Pobursky
Maximum Performance Systems

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