HSPICE® is the industry's "gold standard" for accuracy and is the most trusted and comprehensive circuit simulator. It offers foundry-certified MOS device models with state-of-the-art simulation and analysis algorithms. With fully multi-threaded capabilities, HSPICE delivers additional performance using modern multicore computer hardware. The CustomSim™ FastSPICE simulator delivers superior transistor-level verification performance and capacity for various classes of design, including custom digital, memory and analog/mixed-signal circuits. CustomSim provides a comprehensive suite of analysis features that include circuit electrical rule-checking, electromigration, IR-drop and MOS aging analysis.