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Engineering the CMOS Library: Enhancing Digital Design Kits for Competitive Silicon by DAVID DOMAN

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CHAPTER 20

COMMUNICATIONS

20.1 MANAGER’S PERSPECTIVE

This book has discussed various means and techniques that are useful in intelligently reducing unneeded margin (or in intelligently adding user-defined margin) in the various views of the elements of a design. However, little has been said about what, in the eyes of the management of the library-support organization and the customer design center, constitutes enough margin reduction or addition. Such a determination is a decision that should not be made at the level of either the design-center engineer or the library-support engineer. It really should be made at the management level, which is financially empowered to accept the risk of such margin reduction. Such a change in a view, the addition of a view, or the choice of a view should never be done without explicit management approval, even when the need for it is obvious to the library-support engineer or the design-center engineer. As implied, all such change or addition involves a change in the risk level of the resulting view. This means that information on those risks and the reasons for the need for a view change will need to be communicated up to the level of the organization where that particular financial accountability lies. This section deals with that communication.

What type of information needs to be communicated in order to justify a change of a view? At any level of management, it will be the automatic reaction for that particular manager to minimize risk. ...

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