Device IDT5V49EE703 is designed with the user having options as to the final application of the device.

The user can choose the output slew rate by slew0 and slew1.

The generic name of the IBIS files is 703tiAB.ibs where A and B are explained below.
  A : Slew rate setting for slew0. (0 or 1)
  B : Slew rate setting for slew1. (0 or 1) 

Slew rates of the output are set by slew0 and slew1. The setting are as follows

slew0   slew1
  0       0     Slew of 2.75v/ns. Highest slew rate. For output frequencies up to 200Mhz
  0       1     Slew of 2.0v/ns. Next highest slew rate. For output frequencies over 100Mhz
  1       0     Slew of 1.25v/ns. Next higher slew rate. For output frequencies under 100Mhz
  1       1     Slew of 0.7v/ns Lowest slew rate. For output frequencies up to 50Mhz.

An example of the IBIS file with the name 703ti01.ibs indicates what the application of the file is used for.

t(a) LVTTL output level
i(b) uses I2C protocol
0(c) Slew0 is set to 0 or 0V
1(d) Slew1 is set to 1 or Vdd

This zip file contains 4 IBIS files and their names are shown below

703ti00.ibs
703ti01.ibs
703ti10.ibs
703ti11.ibs
