I am trying to find a model for 74HC123/74LS123 without any luck.

When I try to import the only two models I find online I get a bunch of errors.

Can somebody explain the process and provide a source for a spice model?

I find it completely absurd than in 2018 there is no proper simulation tool with a comprehensive model database.
What am I missing? What I'm doing wrong?

 

hi takeda,
There is a 74HC123 and 72HCT123 model in the LTS base libs.??
E

 

No simulator with absolutely all models.And you did not look well (not there).Buy the program ORCAD, in this program many models.
See

 

hi takeda,
There is a 74HC123 and 72HCT123 model in the LTS base libs.??
E
View attachment 151628

!

Where exactly are these parts. Is the LTS base libs something I need to import somehow?

 

hi,
Have an asc file open, press F2.
This should bring up this image1, then click on HCTlogic and get the second image.

If you have a problem, just ask.
E

 

Hi,

The HCTLogic library is not available in my default LTSpice XVII installation.
I assume that at some point you installed these extra libraries.

I suspect that you use an older LTSpice version as well (LTSpiceV?)

 

OK,
This is my CD and HCT libs, zipped
Try the link in post #3. it has a large number of useful files,
E

EDIT:
Added the 74HC asy files.
In my PC they are in the folder.
C:\Program Files\LTC\LTspiceIV\lib\sym|HCTlogic

 

Thanks I will try to add this in my LTSpice
Meanwhile, I checked to link in post #3, I downloaded the files but I am not really sure how to import them... (and I have seen the video in adding external models and subcircuits by LT...)

 

In my collection of libraries everything is added.Just copy from my collection the contents of my "lib" folder to your "lib" folder.Read the "Help" file in my collection.But in order to fully get all the possibilities (and numerous examples) do also with the folder "LTspiceXVII", and not with the folder "lib".My collection represents a copy of the information from my computer and the library and the symbols of the element are where necessary.