Re: More fun with Freed Z80

[David Wilson <mcs6502@gmail.com>]

On Feb 16, 4:12 pm, alex.freed....@gmail.com wrote:
> The 128K version is particularly easy to use with a battery back-up as
> it has
> an active high second chip select. Most likely just adding a diode and
> a coin
> cell will make it NV.

Could just stick a DS1213D 32 pin SmartSocket underneath it (if they
are still available).

http://www.maxim-ic.com/quick_view2.cfm/qv_pk/2637

If you use a DS1216D then you get a clock as well.