IBIS Library Support
The Ansys Electronics Desktop (AEDT)TM electronics systems design platform provides an easy way to import IBIS® buffer components, pins and models from IBIS libraries and place them as components in the schematic. Property settings allow you to set up IBIS transmitters, receivers, and other elements, including IBIS-AMI components.
To import and use an IBIS buffer component, use the following steps:
- Import IBIS Library File
- Import IBIS Single Component or Pin or Buffer Element
- Place IBIS Buffer Component in Schematic
- Edit IBIS Component Properties
- IBIS File Import Technical Notes
A separate procedure allows the import of IBIS EBD Files:
An IBIS I/O Wizard is available for connecting schematic signal, power, and ground nodes to IBIS buffer instances:
A component defined by the IBIS Algorithmic Model Interface (AMI) specification requires special import and setup steps, described in the AMI Analysis topic.
AEDT IBIS Components created with the "Import IBIS Components" procedure contain certain convenience features that are only tested for compatibility with the Nexxim simulator.
- Pin Imports, which provide automatic instantiation of the lumped RLC package parasitics on the [Package] or [Pin] keywords.
- The buffer_mode parameter Internal settings, which allow users to specify the mode of the device (Input, Output, High Impedance) from a pull down list instead of creating a voltage source to drive the enable node.
- The logic_in parameter Internal setting, which allows users to configure a built-in eye source instead of creating an external voltage source to provide the bit pattern.
Follow these steps when importing IBIS components to create a Circuit Design that is compatible with other simulators.
- Click the Buffer Import tab in the Import IBIS Components window. Do not click the Pin Import tab.
- When placing the components on the schematic and configuring the circuit, provide external sources and click the Select Net option to connect the buffer_mode (enable) and logic_in (bit source) parameters to the external sources.