December 2025

Season's Greetings

In 2026, may you find a question that makes all the difference!

Did you know that movies started with a question, "Do all four of a horse's hooves leave the ground during a gallop?" Learn more

Tip of the Month

Checking whether a clocked comparator has an input-referred offset within a specified range

Can you write a checker that monitors a clocked comparator’s output while tolerating a finite input-referred offset? Learn more

Primitive of the Month

check_value

This primitive checks whether the difference between an input and a reference signal lies within a specified range. Learn more

XMODEL Release Updates

XMODEL 2025.12

Starting with this release, EQCHECK can generate a testbench that embeds checker primitives to validate equivalence between the circuit and the model. Learn more

Latest Issues

December 2025

Season's Greetings, Checking a Clocked Comparator's Correct Output, and More

November 2025

Checking the Settling of an Analog Signal, Handling Inherited Nets with Legacy SPICE Netlisters, and More

October 2025

A UVM Testbench for Worst-Case Analysis Using Bayesian Optimization and More

September 2025

XMODEL at DVCon Europe, Evaluating Transceivers with Multi-Drop Channels, and More

August 2025

Modeling Variations in ReRAMs, Supporting RNM Nettypes, and More