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You can connect multiple outputs of tri state together, but you can’t connect multiple none try-states outputs to any input, as it will be confuse which one to use as input.
In your case you have connected clock output and output from tri-state to input of another tri-state.

Hi, Currently it is not possible to adjust delay of the gates. But as you’ve mentioned you can chain 3 inverters to get behavior you need. Why do you think it is suboptimal? What do you think going to happened in the real life in such cases? Do you think it will be enough to have just one inverter i...

Hello Long, Yes, the latest version you can download allows you to use pins in both directions. You’ll probably need tri state buffer to control the direction. Basically both input and output pins can be used interchangeably on circuits. However if you plan to use truth table you’d better use them a...

Thanks for sharing you circuit and ideas.
However I am usually prefer not implement anything that is possible to build from existing blocks. This approach helps keeping it as simple as possible while not restricting users.

Yes, that’s right. It is only visual appearance of the pin.

So I am assuming that you are confused about "Inverted" checkbox in the Input or Output Pin dialog. The purpose of pin is to connect internals of the circuit with outside. When you look at symbol of circuit from outside you’ll see the pin as little dot. That dot can be a solid black circle...

Sure, if you have built one please share it here on the circuit talk.

Well if you talking about opening sub circuit you have in your project then it should work. If you sure it is not working on some particular case please attach the circuit project file here and I’ll have a look.

Hi Don, Thanks for suggestions. Next version is almost packed with features and bug fixes, but in some future version it can be done. You can use logical formulas to validate your circuits right in the truth table window. There is a filter box exactly for this. Please read about it in more details i...

Thank you, for sharing your work.
Do you know you can make a real links to you web site in your text notes? There is a hyperlink button for this in the text note editor.