Cadence — Orcad And Allegro 221 _top_ Full

Cadence OrCAD and Allegro 22.1 release (SPB22.1) marks a pivotal shift in electronic design automation (EDA), prioritizing extreme performance and intelligent automation for increasingly complex high-speed designs. This version introduces significant architectural improvements, such as the new 3DX engine

Typical Workflows

• Set impedance: 85 Ohms differential for PCIe TX/RX lanes.
• Set propagation delay: ±2ps matching for clock lanes.
• Set via count: Maximum 2 vias per strobe.

Pin and Net Management

: The 22.1 release introduces ALLOW_PINTEXT_SWAP , which ensures that pin text is swapped along with pin numbers during backannotation. cadence orcad and allegro 221 full