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US 2007/0164415 A1Published application
Semiconductor device including bus with signal lines
AssigneeRenesas Technology Corp.
InventorJun Setogawa
Life of this patent
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Abstract
A semiconductor memory device has the group of longest signal lines configured in a twisted wiring scheme, the group of signal lines of intermediate length configured in a shield wiring scheme, and the group of shortest signal lines configured in a single wiring scheme. As a whole, degradation in signal waveform and improvement in layout efficiency can both be achieved.
Claims6
A semiconductor device including a bus formed of a plurality of signal lines, said plurality of signals lines configured in a plurality of wiring schemes.
Dependencies are inferred from the claim text.