F2812 PGF IBIS Model CLK is NC signals

naveed imran

Hi,

I am using TMS320F2812PGFS in my design. I need to do Signal Integrity for external memory signals along with clock signal.

I am using hyperlynx software for this. I am facing a problem that is in the ibis model provided by TI,

doesn't have model name for pin 77 - X1/XCLKIN instead mentioned NC.

Please suggest which model should be added here to do the SI for this signal.

Kindly let me know as I am struck here.

Regards,

Imran

over 12 years ago

0 Hareesh Janakiraman over 12 years ago

TI__Guru* 95315 points

Imran,

We checked with our Design team on this and got the following reply:

"We do not provide IBIS models for power/ground/Oscillator pins. Usually SI simulations are significant for drivers. X1 being a receiver may be modeled as a simple cap".

0 Hareesh Janakiraman over 12 years ago in reply to Hareesh Janakiraman

TI__Guru* 95315 points

Just to clarify further, SI simulations are significant primarily for drivers. i.e. Signal integrity simulations are useful only for I/O pins and not for input-only, clocking pins like X1.

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F2812 PGF IBIS Model CLK is NC signals