Re: 6502/6510 ROM selection daughterboard

From: Gerrit Heitsch <>
Date: Thu, 07 Jun 2012 14:32:18 +0200
Message-ID: <>
On 06/07/2012 02:09 PM, wrote:
> Well, you can always use a brute force method, like cutting the +5V pin
> - than anyone can do ;)

That would be a bad idea. Most chips don't like it if the voltage on the 
signal pins is above the supply voltage (look under 'maximum ratings' in 
the data sheet). That can have all kinds of undesirable effects 
including destroying the chip.

I give you that it works most of the time anyways. But 'works most of 
the time' is not a valid state for digital logic. ;)


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Received on 2012-06-07 13:00:31

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