Nice to know. I asked for the the 16F84A, and ELFA in Norway told me =
they would make it available late this year!!! :-)))

----- Original Message -----=20
From: "Byron A Jeff" <byron@CC.GATECH.EDU>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Friday, July 27, 2001 7:54 PM
Subject: Re: [PIC]: 16f84 v 16f84a


> On Fri, Jul 27, 2001 at 02:55:36PM +0100, David Stubbs wrote:
> > Hey,
> >
> > I asked about some 16f84's at a shop a bit ago and they told me they =
were no
> > longer in production but a 16f84a version is available. I haven't =
had time
> > to properly look through the 16f84a's data sheets yet but want to =
know the
> > main differences. The only difference I know is that a 20MHz version =
is
> > available, where I believe a 10MHz was the max for the non A one.
> >
> > One main issue though, Is it exactly the same to write the program =
to it? (I
> > use my own software to program it)
>=20
> Just a friendly piece of advise on the subject. Don't use the 16F84a =
parts.
> Microchip is clearly trying to put them into an end of life state.
>=20
> The alternative is the 16F628. Readily available at Digikey. Here's =
the scoop.
>=20
> - Twice the program memory
> - Three times the data memory
> - three timers vs. 1 for the 16F84a
> - two comparators vs. 0 for the 16F84a
> - twice the data eeprom memory
> - hardware USART
> - up to 3 extra I/O pins.
> - 4 Mhz internal osciallator.
> - Runs up to 20 Mhz.
> - Can be low voltate programmed.
>=20
> And you get this all at 2/3 the price of a 16f84a. That's right. The =
part
> costs a lot less. At digikey the 16f84a is $6.00. The 16F628 is $3.88 =
in the
> 20 Mhz version.
>=20
> The parts are both pin and programming compatible. Be sure to check =
for any
> differences in the config word though.
>=20
> Considering that you get a whole bunch more for a whole lot less, I =
can't see
> any reason to purchase 16F84a parts anymore. And considering the =
pricing, I'm
> pretty sure that's what Microchip expects.
>=20
> BAJ
>=20
> --
> http://www.piclist.com hint: The list server can filter out subtopics
> (like ads or off topics) for you. See http://www.piclist.com/#topics
>=20
>=20
>=20
>=20

--
http://www.piclist.com hint: The PICList is archived three different
ways.  See http://www.piclist.com/#archives for details.