When NOT to Use ASICs When NOT to Use ASICs Rick Van Berg HEPIC2013 - - PowerPoint PPT Presentation

When NOT to Use ASICs When NOT to Use ASICs

Rick Van Berg

HEPIC2013

When NOT to Use ASICs When NOT to Use ASICs

Rick Van Berg

HEPIC2013

When not to Put Effort Into ASICs When not to Put Effort Into ASICs

Rick Van Berg

Hieronymus Bosch

HEPIC2013

Direct Commercial Equivalent Direct Commercial Equivalent

• Obvious (but maybe not to everyone )

Obvious (but maybe not to everyone…)

• Non‐commercial equivalent‐ not so obvious

and we do share designs to some extent but and we do share designs to some extent, but probably not enough….

M b d b tt i t h – Maybe we need some better interchange mechanisms so new initiatives can easily search to see what devices are still supported (e g no more see what devices are still supported (e.g. no more ASD8s but maybe an ASDQ could work)?

Imitation is the sincerest of flattery

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Imitation is the sincerest of flattery. ‐ C. C. Colton

Clever Ideas Clever Ideas

• If it solves a real problem for a real

If it solves a real problem for a real detector/experiment – great

• If not write up a note for TNS and
• If not, write up a note for TNS and

fuggetaboutit

For the wisdom of this world is foolishness with God. For it is written, He taketh the wise in their own craftiness ‐ 1 Corinthians 3:19

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1 Corinthians 3:19

Requirements Documents Requirements Documents

• Good to have but if that is the only

Good to have but, if that is the only connection between the project and the engineer then more Brooklynese engineer, then more Brooklynese

– Without intellectual involvement in the larger group then not very likely to succeed group then not very likely to succeed – Physicists need to know what is possible & engineers need to know what is truly necessary e g ee s eed o

• a s

u y ecessa y

"Before I built a wall I'd ask to know What I was walling in or walling out A d t h I lik t i ff “

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And to whom I was like to give offense.“ ‐ Frost

This Process is So Cool This Process is So Cool

• Ah but the physics is way cooler – so give up

Ah, but the physics is way cooler so give up the toys and work on the problems

– OK to work “ahead” of needs a bit (why we have – OK to work ahead of needs a bit (why we have an R&D program) – but be realistic – HEP will not need or use 22nm devices this decade, maybe , y never… – Same for the really cute idea – if it is really good publish it and let AD or TI build it – we can’t compete in manpower or budget, have to focus

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But Our Idea is Better! But Our Idea is Better!

• Well maybe but if it ain’t obvious to

Well, maybe, but if it ain t obvious to everyone after your second presentation, toss a coin and be willing to work on another piece a coin and be willing to work on another piece

• f the problem

Dans ses écrits, un sàge Italien Dit que le mieux est l'ennemi du bien. q ‐Voltaire

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Great Leap Forward Great Leap Forward

• We are going to do something that Intel or

We are going to do something that Intel or Linear or… can’t do? Really?

– What is a reasonable leap? – What is a reasonable leap? – Are our “commercial partners” really able to do what they claim and will it extend to our problem? what they claim and will it extend to our problem?

The bridge at Arnhem proved to be 'a bridge too far' The bridge at Arnhem proved to be a bridge too far . After 10 days of bitter fighting the operation ended with the evacuation of the remainder of the 1st British Airborne Division from the Arnhem area.

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‐ September, 1944

Because IC’s is What We Do Because IC s is What We Do

• Poll all the buggy whip makers?

Poll all the buggy whip makers?

• All problems are nails?

“The expert knows more and more about less and less until he knows everything about nothing ” he knows everything about nothing. ‐ Mahatma Gandhi

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Summary Summary

• Direct Equivalent

Direct Equivalent

• Clever Idea
• Requirements Doc

Requirements Doc.

• This Process is so cool
• But Our Idea is Better
• But Our Idea is Better
• Great Leap Forward
• Because IC’s is What We Do
• Because IC’s is What We Do

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This is not a new list! This is not a new list!

• Direct Equivalent
• Gluttony

Direct Equivalent

• Clever Idea
• Requirements Doc

Gluttony

• Pride
• Wrath

Requirements Doc.

• This Process is so cool
• But Our Idea is Better

Wrath

• Lust
• Envy
• But Our Idea is Better
• Great Leap Forward
• Because IC’s is What We Do
• Envy
• Greed
• Sloth
• Because IC’s is What We Do
• Sloth

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• 0‐25, Prado
• ca. 1500

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