Input/output Barrier Details Requirements or IBIS is a method for incorporated routine providers to provide details about the input/output buffers of their product to their potential buyers without exposing the ip of their execution and without demanding exclusive security important factors.The design is produced in written text structure and includes a number of platforms that catches current vs. current (IV) and current vs. time (Vt) features of the buffer, as well as the of certain parasitic elements. It is a standard data return structure for trading modelling information among semiconductor device providers, simulator software providers, and end customers.