Rasterizer for pattern generator
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United States of America Patent
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Sep 28, 1999
Issued Date -
N/A
app pub date -
Oct 24, 1994
filing date -
Oct 4, 1985
priority date (Note) -
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Abstract
A rasterizer, particularly suited for generating patterns for semiconductor masks and the like is described. An 8.times.8 array uses RAS, CAS and WE signals in addition to the memory address for accessing the array. A state machine is used to convert the pattern data (e.g., type of object orientation, etc.) into accessing data with the WE generator being driven through a ROM.
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