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PICList Thread
'[PIC] 16HV540'
2006\01\10@170801 by Martin McCormick

       I was just looking at Digikey's web site and it comes across a
bit scrambled in lynx so I thought I would verify a couple of things
about the PIC16HV540.

       I thought I might buy a few to experiment with if they are
still being produced.  It looks like the JW parts sell for about $5.70
however  I saw a message saying "non-stock" on a line above the unit
price.  The problem is that the page when displayed in lynx is oddly
formatted and it is kind of hard to tell what goes with what.

       If this chip isn't being produced any longer, I don't need one
for a specific use and will just put a 7805 or similar in the circuit
and power some other PIC from that.


Martin McCormick WB5AGZ  Stillwater, OK
OSU Information Technology Department Network Operations Group
.-- -... ..... .- --. --..

2006\01\10@172059 by Charles Craft

picon face
Digikey shows non-stock for the JW. shows quantity 10 available at $9.23 - ouch!

{Original Message removed}

2006\01\10@183330 by Martin McCormick

Charles Craft writes:
>Digikey shows non-stock for the JW.

       Thanks.  That's what I thought but I wasn't sure.

> shows quantity 10 available at $9.23 - ouch!

       Thanks for confirming what I was fairly sure I was reading.
Since the only thing one gets out of the 16HV540 is a built-in
regulator, I think I'll forgo those.

Martin McCormick

2006\01\20@164839 by Barry Gershenfeld

face picon face
At 04:08 PM 1/10/06 -0600, Martin McCormick wrote:

>about the PIC16HV540.
>         I thought I might buy a few to experiment with if they are
>still being produced.

Check for samples.  Microchip wants you to experiment.  (That site would
likely give lynx fits, though; it even gave my graphical browser fits).

I looked at the datasheet for that chip.  What's interesting is the high
voltage tolerant port, so you can have an arbitrary supply voltage like
7.2v, and then port B's I/O would operate in a 7.2 volt environment,
too.  And it would tolerate a drifting battery voltage, from a digital
standpoint, assuming you are aware of the implications.


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