Fiber optic transmitter and receiver and ASICs

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enea1985
Fiber optic transmitter and receiver and ASICs

Hi,

are these components considered in the FIDES model?

Thank you

Enea

Lambda
Re: Fiber optic transmitter and receiver and ASICs

Dear,

No, sorry, there is no optic component in FIDES Guide. And this is not planned...

A model dedicated to ASIC is in the coming soon (...) 2009 edition. This model describes ASIC as... Application Specific Integrated Circuits (!). Consequently, the model is the same as for IC but with a specific process factor and a specific part manufacturing factor. In the meantime you can model the ASIC like an IC with a rather severe Pi_part_manufacturing.

Regards,

Lambda

enea1985
Re: Fiber optic transmitter and receiver and ASICs
Hi,
thank you for the answer. For rather sever Pi_part_manufacturing you mean a low value?

Regards,
Enea
Lambda
Re: Fiber optic transmitter and receiver and ASICs
No. Here "severe" mean a high value of Pi_PM that will lead to a higher failure rate.
enea1985
Re: Fiber optic transmitter and receiver and ASICs
Shouldn′t an ASIC have a lower failure rate compared for example to a FPGA?
Lambda
Re: Fiber optic transmitter and receiver and ASICs

Dear,

The FIDES answer is: most probably no. The piece of hardware "ASIC" is probably not so reliable as the piece of hardware "FPGA".

The hardware design of an ASIC is specific an therefore more exposed to weakness.

But: This answer is for an hardware point of view, at component level only. FIDES doesnt take software into account. FIDES doesnt take radiation and transitory failure into account. All these topics are taken into account by specific means, described in specific standards, for example IEC 61508 or IEC 62396. And ASIC are often said to be less sensitive to these concerns.

Therefore ASIC are still often prefered to FPGA if a safe operation is a requirement.

Regards,

Lambda