Net list creating method, net list creating device, and...

Details Net list creating method, net list creating device, and... Net list creating method, net list creating device, and...

2007-07-31

2007-07-31

Lin, Sun James (Department: 2825)

Computer-aided design and analysis of circuits and semiconductor

Nanotechnology related integrated circuit design

C716S030000, C716S030000, C716S030000

Reexamination Certificate

active

10944880

ABSTRACT:
It is intended to provide net list creating method, net list creating device, and computer program thereof capable of creating net list of memory space by selecting optimum combination of memory macros and providing a control circuit for controlling and making the combination accessible as memory space from a previously registered library so as to realize required memory space. For realizing a target memory with a single memory macro by extending its word width, processing goes on to as follows: target word width of a target memory is larger than maximum macro word width of a memory macro (S5: YES); first word width ratio (WR1), target word width to maximum macro word width, is 2nand first bit width ratio (BR1), bit width of a target memory to bit width of memory macro which has maximum macro word width, is 2(−n)or smaller (S9: YES); a memory macro which has maximum macro word width is selected (S11); and a control circuit is selected from a control library (D3) previously provided after branch a.

REFERENCES:
patent: 5978304 (1999-11-01), Crafts
patent: 6539506 (2003-03-01), Lammers et al.
patent: 6856167 (2005-02-01), Ozguz et al.
patent: 2003/0223295 (2003-12-01), Ozguz et al.

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