try a 7407 IC
open collector buffer for up to 30V

regards
----- Original Message -----
From: Olin Lathrop <olin_piclist@EMBEDINC.COM>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Monday, August 20, 2001 8:32 PM
Subject: Re: [PIC]: RA4 voltage


> A quick question about RA4 when used for output. On most devices it is
open
> collector. What is the max voltage I can pull this up to?

I just checked the 16F87x data sheet, and it says 8.5V max.


********************************************************************
Olin Lathrop, embedded systems consultant in Littleton Massachusetts
(978) 742-9014, olin@embedinc.com, http://www.embedinc.com

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