For comparing them:

http://www.microchip.com/wwwproducts/ProductCompare.aspx?product1=3DPIC18F4=
4K20&product2=3DPIC18F46J50


2013/7/29 Yigit Turgut <y.turgut@gmail.com>

> Thank you!
>
>
> On Mon, Jul 29, 2013 at 2:05 PM, Jan-Erik Soderholm <
> jan-erik.soderholm@telia.com> wrote:
>
> > That is only 2 18F J-parts with Ethernmet,
> > PIC18F66J60 and PIC18F67J60.
> >
> > There are aprox *90* 18F J-parts in total.
> >
> > Jan-Erik.
> >
> >
> >
> > Yigit Turgut wrote 2013-07-29 12:33:
> > > I thought J stands for the embedded ethernet functionality ?
> > >
> > >
> > > On Mon, Jul 29, 2013 at 1:12 PM, Jan-Erik Soderholm <
> > > jan-erik.soderholm@telia.com> wrote:
> > >
> > >>   From :
> > >>
> > >>
> >
> http://www.microchip.com/pagehandler/en-us/family/8bit/architecture/pic18=
..html
> > >>
> > >> PIC18 "J" Series:
> > >> Deigned for high memory density, cost sensitive applications.
> > >>
> > >> PIC18 "K" Series:
> > >> Provides the highest performance with benchmark nanoWatt XLP
> > >> extreme low power consumption.
> > >>
> > >>
> > >> Also:
> > >>
> > >>
> > >>
> >
> http://www.microchip.com/stellent/idcplg?IdcService=3DSS_GET_PAGE&nodeId=
=3D2553&param=3Den028357
> > >>
> > >>
> > >>
> >
> http://www.microchip.com/stellent/idcplg?IdcService=3DSS_GET_PAGE&nodeId=
=3D2895&param=3Den541407
> > >>
> > >> I have not found any side-by-side comparision, but one major
> > >> thing seems to be that K uses up to 5V supply and J 3V...
> > >>
> > >>
> > >>
> > >> FWIW...
> > >>
> > >> Jan-Erik.
> > >>
> > >>
> > >>
> > >> Peter wrote 2013-07-29 11:48:
> > >>> Spent most of the day without any success, researching on Microchip
> > site
> > >>> and back archived emails + web, looking for a possible answer to th=
e
> > >>> following:
> > >>>
> > >>> What does the  "K" in Microchip part numbers mean for example
> > >> PIC18F44K20 ?
> > >>> or
> > >>> What does the "J" in Microchip part numbers mean for example
> > PIC18F46J50
> > >> ?
> > >>>
> > >>> I just picked these two from a list,thinking that it would help in
> > >>> researching ... but sigh ...
> > >>>
> > >>>
> > >>> datasheets for reference:
> > >>> http://www.microchip.com/wwwproducts/Devices.aspx?dDocName=3Den0263=
38
> > >>> http://www.microchip.com/wwwproducts/Devices.aspx?dDocName=3Den5397=
08
> > >>>
> > >>> When you go to almost the last page; to section "PRODUCT
> IDENTIFICATION
> > >>> SYSTEM"
> > >>> it offers no help.
> > >>>
> > >>> I found a previous (archived post back in 24/06/2011)post:
> > >>>
> > >>> [PIC] Figuring out Microchip part numbers?
> > >>>
> > >>> by HaroldHallikainen  (with reference to different PIC)
> > >>>
> > >>> ..but isn't quite what I'm after... but in a way close.
> > >>>
> > >>> Having been away from PIC's for some years, Microchips product rang=
e
> > has
> > >>> grown drastically.
> > >>>
> > >>> I don't have a part in mind yet to point this post to, otherwise I
> > would
> > >>> link it here.
> > >>>
> > >>> I'm hoping there might be a document that explains this, or at leas=
t
> > >>> narrows it down a little.
> > >>>
> > >>> Does anyone know of any documentation of sorts that might explain t=
he
> > >>> PIC part numbers?
> > >>>
> > >>> else what terms to type in to search for.
> > >>>
> > >>> Thanks
> > >>>
> > >>> Peter
> > >>>
> > >> --
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> > >>
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> >
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