Cd4051 Spice Model Link Guide
: This is the most popular source for simulating 4000-series logic. The LTwiki CD4000 Library contains a comprehensive set of models, including the , maintained by the LTspice community.
You can download a reliable CD4051 SPICE model from the Texas Instruments website: https://www.ti.com/lit/zip/sbah001 . This model has been verified and validated by the manufacturer, ensuring its accuracy and compatibility with popular SPICE simulators. cd4051 spice model link
Where to get CD4051 SPICE models