[COLUG] OT: OneWire hardware hacking: Santayana moment

[jep200404]

Ethan wrote: 

> I don't know of a way to get just a 555 and (a small number of )
> discretes to do as you describe (issue exactly 16 pulses then shut
> down), but perhaps a 555 coupled with a 4-bit counter (like a 74LS93)
> and perhaps an external flip-flop to toggle the gate input on the 555
> so that it powers up to allow pulses through until the counter wraps
> around to 0, which toggles the flop and inhibits further pulsing until
> a reset.
> 
> So... a 2-3 chip solution?

I think Ethan missed an earlier post, 
in which Josh also envisioned a multi-chip solution. 

   http://www.colug.net/pipermail/colug432/2008-January/005217.html

Mike and I detailed the limitations of one part, the 555 timer, 
of that multipart solution, since Josh was wanting 10 ns pulses. 

Jim