another fast one-shot

Here's another idea for a fast one-shot. This is the just-apply-money
version and should get close to 1 ns pulse width and should easily
trigger at 150 MHz.

https://www.dropbox.com/scl/fi/1okfo8964bw5m53mjmxs6/Pecl_One_Shot_1.jpg?rlkey=dwus6qjyqsynl2rv6uje2xxtj&raw=1

I can use the other half of the dual comparator elsewhere. This one
has programmable hysteresis too.