Accurate pin-based memory power model using arc-based...

Details Accurate pin-based memory power model using arc-based... Accurate pin-based memory power model using arc-based...

2008-05-20

2008-05-20

Rodriguez, Paul (Department: 2123)

Data processing: structural design, modeling, simulation, and em

Modeling by mathematical expression

C703S014000, C703S018000

Reexamination Certificate

active

10937049

ABSTRACT:
A pin-based memory power modeling method using arc-based characterization includes steps as follows. All power arcs of a memory model are identified and characterized. A power arc is selected from the identified and characterized power arcs. Output bus switching power is computed by removing overlapping power using the selected power arc, and a temporary value for various input ramp times and output loads is derived. Output pin power for the selected power arc is calculated using the temporary value and a ratio of a number of output bits switching over an entire bus width. Switching power for the selected power arc is calculated by a power estimation tool based on port activity and an input intrinsic power value.

REFERENCES:
patent: 5838947 (1998-11-01), Sarin
patent: 6212665 (2001-04-01), Zarkesh et al.
patent: 6480815 (2002-11-01), Olson et al.
patent: 6598209 (2003-07-01), Sokolov

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