May 2021

Model of the Month

Delay-locked loop with false-lock detector

This model describes a delay-locked loop (DLL) that can recover from false-lock conditions. It is modeled after the DLL published by S. Byun, et al. in 2003.

Q&A of the Month

Can XMODEL simulate both voltages and currents?

Learn more about the XMODEL's capability of simulating both the voltage and current waveforms of circuit-level models.

Primitive of the Month

abs_func

This primitive computes the absolute value of the xreal-type input.

Upcoming Webinar

Writing OOP-style SystemVerilog testbenches for analog IPs

Join this webinar on how to write an OOP-style SystemVerilog testbench for analog/mixed-signal circuits, performing random and directed tests with analog assertion checks.

Latest Issues

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

July 2025

Analyzing the Power-Saving Benefits of DBI Encoding for High-Speed Transceivers and More