The pins that DO NOT have clamps are very very very clearly specified in
the data sheet. Example: MCLR has only one clamp. 10 big red ponits for
good documentation to Microchip (I did NOT say that it was well structured
though).

On Sun, 14 Dec 1997, Tim Kerby wrote:

> Hi
> 
> All digital I/O on PICs have diode clamps on the inputs to protect them
> for this sort of damage.  What you have to watch is where the PIC has
> inbuilt serial or analogue modules where they are not protected and can
> be hit by ESD.  I found this outafter blowing the serial and analogue
> modules in three 16C74 chips (JW to a total of £80) through not taking
> adequate static precautions in UV erasing the chips (as UV builds up
> charge on objects).
> 
> 
> 
> Tim Kerby
> 
> 
> 
> At 23:13 11/12/97 +0100, you wrote: 
> 
> >>>>
> 
> <excerpt><fontfamily><param>Arial</param><smaller>hello,
> 
> </smaller></fontfamily>  
> 
> <fontfamily><param>Arial</param><smaller>I have one question for all you
> guys/girls 
> 
> </smaller></fontfamily>  
> 
> <fontfamily><param>Arial</param><smaller>In a project with a PIC16C84 the
> inputs can be touched bij fingers, 
> 
> my question : how can i protect the i/o against ESD charges ?
> 
> </smaller></fontfamily>  
> 
> <fontfamily><param>Arial</param><smaller>Kind regards,
> 
> </smaller></fontfamily>  
> 
> <fontfamily><param>Arial</param><smaller>Rob Aerts
> 
> </smaller></fontfamily>  
> 
> 
> 
> 
> 
> 
> 
> </excerpt><<<<<<<<
> 
> 
> 
> 
> 
> 
> 
> ------------------------------------------------------------------
> 
> Personal Web Pages: http://web.ukonline.co.uk/members/tim.kerby/
> 
> Email: tim.kerby@ukonline.co.uk
> 
> ------------------------------------------------------------------
> 

Peter Lorand Peres
------------------
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