At Mon Jan 18 14:18 1999, Dan Boris wrote:
>> SRAM or static ram holds all the data as long as the power supply is
>> connected(many chips can hold data at lower voltages for battery backup)
>> This is what I, and Pete used. It is ideal because it is simple to
>> use(can almost be a drop in for an EPROM cart), and can be battery
backed.
>> So the jist is that produceing an SRAM cart isn't really necessary?
>
>Another interesting technology that would be useful for RAM carts is an
SRAM
>with internal battery backup. Dallas Semi-conductor (and I am sure other
>companies) make these SRAMS. The have the same pinouts as normal SRAM IC's
and
>are used in exactly the same way. They have the backup battery and
associated
>circuitry build right into the chip so you don't even have to think about
it.
>They are also not that expensive.
Huh? Built-in battery? Is this a rechargeable or a one-way battery?
I mean, if the battery's discharged, and you can't exchange it, you have to
discard the whole chip!
With love (and many batteries to kill)
Kurt Woloch
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