The CD4051 SPICE model presented in this paper has been validated through various simulations, including:
Or suggestions for modeling it accurately using ideal switches + measured Ron curves? cd4051 spice model
The CD4051 belongs to the 4000 series CMOS family and operates as a single 8-channel multiplexer. It uses three binary control inputs (A, B, and C) to select one of eight channels and connect it to a common output/input pin. The CD4051 SPICE model presented in this paper
The CD4051 SPICE model code is presented in the appendix. cd4051 spice model