[sdiy] Divide by 10^6?

[Gerard]

Hi,

Cascaded 74HCT4020/4040/4060, they go for 25€cents here in the
Netherlands.

Cheers,
Gerard

On Thu, 27 Aug 2009 23:12:25 -0700, "flightofharmony"
<flight at flightofharmony.com> wrote:
> Thanks! 
> I confess that I don't really know anything in the realm of logic, just
> analog. The exact 10^6 is just a ballpark, I just need to slow it down
> enough to blink the LED at a visible rate. The 2^20 sounds fine to me!
> Could
> you point me to some datasheets or part numbers please?
> 
> Best regards, 
> 
> ~flight
> flight at flightofharmony.com
> http://www.flightofharmony.com
> 
> 
>> -----Original Message-----
>> From: Veronica Merryfield [mailto:veronica.merryfield at shaw.ca]
>> Sent: Thursday, August 27, 2009 11:05 PM
>> To: synth DIY
>> Cc: flightofharmony
>> Subject: Re: [sdiy] Divide by 10^6?
>> 
>> If you have an address generator or counter, use one of the high
>> address lines. Failing that, a couple of 12 bit counter chips, as 10
>> bit counters, cascaded would give you divide by 2^20 which is 4%
>> different from divide by 10^6.
>> 
>> 
>> On 27-Aug-09, at 10:41 PM, flightofharmony wrote:
>> 
>> > Hello everyone,
>> >
>> > I have a question for the logic & digital folk: is there a
>> > low-component-count, off-the-shelf way to divide down from 20MHz to
>> > 20Hz?
>> > I'm trying to add a clock rate LED to the Sound of Shadows delay
>> > module
>> > prototype I'm working on. A cascade of six 74*90 ICs works fine, but
>> > that's
>> > a lot of board space just to blink an LED.
>> >
>> > Best regards,
>> >
>> > ~flight
>> > flight at flightofharmony.com
>> > http://www.flightofharmony.com
>> >
>> >
>> > _______________________________________________
>> > Synth-diy mailing list
>> > Synth-diy at dropmix.xs4all.nl
>> > http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
> 
> 
> _______________________________________________
> Synth-diy mailing list
> Synth-diy at dropmix.xs4all.nl
> http://dropmix.xs4all.nl/mailman/listinfo/synth-diy