SN74LVC2GU04-Q1: Please help with ADS Spice model

Hi Baji,

Sorry for the delay, here is the model. Note this is an experimental model that will not provide perfect behavioral simulation of the device. It is meant as an approximation of device behavior only. This is for the 1GU04, for the 2GU04 just use two of them in the same simulation.

5873.LVC1GU04.cir

Best,

Malcolm

Hi Baji,

Like I said, this model is for the 1GU04. So you have a pin for VCC, GND, input, output. The 2GU04 is simply two 1GU04 devices, so you can just use two 1GU04 models to simulate a 2GU04.

Best,

Malcolm

Baji,

You can find my best estimate of the length and width details in the model I uploaded. These were derived from the graphs in the datasheet, if you want to try yourself. I cannot provide the actual length/width details.

Best,

Malcolm

Baji,

Your picture did not load, but I have already stated that the model I provided is just an estimate of device behavior. For these unbuffered devices, we are unable to provide exact models for obvious reasons regarding transistor sizing.

Best,

Malcolm

Hi Baji,

Simulation should be used for basic functionality only. SPICE simulation is mostly just to emulate device functionality (AND/OR/NOT, output enable, etc.). For these unbuffered inverters specifically, you can use SPICE to simulate the device as part of an oscillator circuit fairly well.

However, I do not know of very many parts across TI where phase noise is something that can be simulated accurately by a SPICE model. SPICE models are rough estimates of device behavior and are not intended for use in making precise performance evaluations.

Best,

Malcolm