On Wed, Dec 18, 2002 at 05:54:30PM -0500, Olin Lathrop wrote:
> > I'm am looking over the PIC16F87X datasheet and I'm a little confused
> > in the DC characteristics section, specifically the section listing
> > the power-down current, Ipd (Section 15.1, page 156).  It lists three
> > different parameters, D020, D021, D021A.  And they all list different
> > values of current usage, however the conditions (Vdd = 4.0V, WDT
> > enabled) are the same for all three!  Does anyone know what the
> > differences are between these three parameters?  I must be misreading
> > part of the document.
>
> One of us has an old manual.  Mine is DS30292C, and section 15.1 appears
> on page 154 instead of 156.

That's the same version I have.  Looks like I gave the page number
that Acrobat thinks its on, not what is printed on the page.  You are
correct, it is on page 154 in mine as well.

> However, you have a good question.  I don't see any different conditions
> in my manual either, but the maximum current varies from 16uA to 42uA
> depending on which line you chose.  Sounds like somebody left out a few
> details.

Yeah, I think Jinx's conditions are the correct ones and that they
introduced the errors in the later version.

-Dave

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