26 Nov
2007
26 Nov
'07
6:36 p.m.
On Nov 20, 2007, at 1:36 PM, Allison wrote:
Though a 10mhz Z80 is also a nice thing but the 85nS
memory
need is something to aware of. That short M1 read cycle
preally beats up ram. Z180 is better and Z84S180s can be
found as fast as 33mhz.
I've done quite a bit of work with the eZ80F91 at 50MHz. Running an
RTOS with a TCP stack...still quite zippy. I use 15ns RAM in my
designs, Cypress CY7C1049CV33-15.
-Dave
--
Dave McGuire
Port Charlotte, FL