Burger,
Thanks for the feedback! :-)
>> What would happen if you had 2 ROM chips selected
>> (by design) at the same time on a data bus?
> You would use a LOT of power.
What if it's only for a few bytes (<10) at powerup?
>> Is there risk of damaging any chips on the bus?
> Yes, not immediately, but over time the heat damage to the chip trying
to
> drive the bus high (Logic 1) would shorten the life of the ROM by a lot.
"by a lot" - how much?
Again, what if for only a few bytes?
Is there anything that can be added to help the situation?
> In most cases this results in a logical "AND"
"most cases" - Other than building something, is there
any way to be sure?
I assume this isn't "wired-and" since ROMs aren't open collector?
And I assume pull-up resistors aren't necessary for logical "AND"?
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