Technical Paper
Modeling and Simulation of Silicon Photonics Systems in SystemVerilog/XMODEL
This ASP-DAC 2025 paper explains how XMODEL's event-driven simulation can be extended to silicon photonic systems. Learn more
March 2025
Model of the Month
Measuring the I-V characteristics of transistors
Can you build an XMODEL testbench measuring the Ids-Vds or Ids-Vgs characteristic curves of a transistor? Learn more
Tip of the Month
Suppressing 'X' and 'Z' values in digital-type inputs
The latest XMODEL release introduced 'valueX' and 'valueZ' parameters to enable customized handling of 'X' and 'Z' values of digital-type inputs. Learn more
Primitive of the Month
buf_xbit
The 'buf_xbit' primitive can be used to add inertial delay, set an initial value, or suppress 'X' and 'Z' values in digital inputs. 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