ALLEGRO SYSTEM ARCHITECT GXL Cadence Allegro System Architect GXL is the industry°Os first multi-style desig creation environment. It provides the flexibility and power to create complex). system designs using spreadsheets, traditional schematics, or HDL (Verilog Compared with conventional schematic capture systems, Allegro System Architect GXL significantly reduces the time to create designs. It is especially effective for complex designs and those with large-pin-count devices.