[time-nuts] CPLDs for clock dividers

[Lux, Jim (337C)]

On 2/4/10 9:28 AM, "Bob Camp" <lists at cq.nu> wrote:

> Hi
> 
> From the Altera doc's on the Max II:
> 
> There's an oscillator in there to clock the flash (page 2-20). It runs at
> around 5 MHz. Need to turn that off. Since standby current is rated at 25ua
> it's something that can be done. Low standby also suggests there isn't
> anything else nasty sneaking around in there.
> 
If you used a non-flash based part, (e.g. On time programmable), maybe it
wouldn't be as much an issue.  You could check out the design with the flash
part, and onece it works, you can go to a OTP part.