Help modeling a 4060

T

Terry Pinnell

Guest
I've been grappling with this in vain for a day or so, but I'm
floundering and would appreciate some help please.

Hopefully this consolidated illustration will be largely
self-explantory:
http://www.terrypin.dial.pipex.com/Images/4020+4060+CM.pdf

Am I right to conclude that I *cannot* build a generalised 4060
'macro' model using a 4020 in this way? Or is there some clever trick
I've not seen allowing me to connect pins 9 and 10, which have no 4020
equivalent, using extra gates etc?

If the approach *is* doomed, presumably the only other options are
these?

1) Build a 4060 model from scratch from the data sheet, using F/Fs and
elementary gates. Has anyone already got one, for CM or *any* Spice
program please?

2) For any *specific* 4060 circuit I want to simulate, build it from
first principles, with a 4020 and (if the internal oscillator is
employed), with an external R/C/inverter section bolted on
appropriately.


--
Terry Pinnell
Hobbyist, West Sussex, UK
 

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