Alternative silicon chip geometries for integrated circuits

Active solid-state devices (e.g. – transistors – solid-state diode – Gate arrays – With particular chip input/output means

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257620, H01L 2710

Patent

active

058594485

ABSTRACT:
A method for providing a triangularly shaped I/O region on the periphery of an integrated circuit in order to reduce the amount of unused surface area on the integrated circuit is disclosed. A core region within the triangularly shaped I/O region may be either triangularly shaped or rectangularly shaped, and may include one or more metallization lines routed in a direction parallel to at least one edge of the triangularly shaped I/O region on the periphery of the integrated circuit. Alternatively, the core region may include one or more metallization lines routed in a direction parallel to at least one edge of the triangularly shaped peripheral I/O region, as well as one or more other metallization lines routed in a direction perpendicular to at least one edge of the triangularly shaped peripheral I/O region. A plurality of I/O slots located in the triangularly shaped I/O region may be triangularly, trapezoidally, or rectangularly shaped.

REFERENCES:
patent: 4789889 (1988-12-01), Morris et al.
patent: 5300796 (1994-04-01), Shintani
patent: 5341024 (1994-08-01), Rostoker
patent: 5444303 (1995-08-01), Greenwood et al.

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