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Schematic PCB Simulation Skill Extension Feature Requests Bug Reports

Simulation results are too large.

1892 3

mstasik 8 years ago

I can find no errors with this simple circuit yet I'm getting a simulation results are too large error. I have simmed 5 other circuits before this without errors. I seem to only be having errors with circuits using the 74HC11 and the 74HC08 models. Can someone take a look at this and tell me what's wrong? https://easyeda.com/editor#,,,,id=rUusqMKjF Thanks.

Comments

andyfierman 8 years ago

I think there must be a typo in my 74HC11EE and 74HC08EE models. Sorry about that. I'm looking into it but can't spot it yet. Simulations using the underlying individual single gates work OK. I'll post back when I've found it.

andyfierman 8 years ago

Fixed. It was a typo in the 74HC11EE (and the same in the 74HC10EE). I don't know why you are seeing this problem with the 74HC08EE: that runs OK for me and does not have the typo in it that was in 74HC10EE and 74HC11EE. Please post back if the trouble with the 74HC08EE persists. Thanks. BTW: maybe you have swapped devices in the test circuit but did you know you had shorted two of the outputs to ground? :)

mstasik 8 years ago

It's working now. Thank you for the prompt response and fix. Yes, I knew I had outputs to ground. I was trying to head off any errors that might be caused by floating pins.

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