Actually TTL will run up to at least 7VDC before dying...however it
runs hotter and not as well as the voltage goes over 5VDC...so adjust
it down to 5 and see if it is OK.
John :-#)#
At 5:35 PM -0500 5/31/04, solarfox@texas.net wrote:
>On Mon, 31 May 2004 15:02:52 -0500, you wrote:
>
>>On my non-working Tempest UR there is 5.77v at J7 on the A/R II board and
>>5.62v at the edge connector of the main board. Is this ok?
>
> That's a little on the high side; TTL logic generally has a Vcc supply
>range of 4.75 -- 5.25Vdc... that higher voltage may have knocked out a few
>chips.
>---------------
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Received on Mon May 31 20:07:18 2004
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