Active solid-state devices (e.g. – transistors – solid-state diode – Gate arrays – Having specific type of active device
Patent
1995-12-06
1997-08-05
Brown, Peter Toby
Active solid-state devices (e.g., transistors, solid-state diode
Gate arrays
Having specific type of active device
257379, 257390, 257401, H01L 2500, H01L 29772
Patent
active
056545630
ABSTRACT:
A microelectronic integrated circuit includes a semiconductor substrate, and a plurality of microelectronic devices formed on the substrate. Each device has a periphery defined by a triangle, and includes an active area formed within the periphery, a central terminal formed in a central portion of the active area, and interconnected first to third terminals formed in the active area adjacent to vertices of the triangle respectively. First to third gates are formed between the first to third terminals respectively and the central terminal, and have contacts formed outside the active area adjacent to the sides of the triangle. The power supply connections to the central terminal and the first to third terminals, the conductivity type (NMOS or PMOS), and the addition of a pull-up or a pull-down resistor is selected for each device to provide a desired OR, NOR, AND or NAND function. One or two of the first to third terminals, rather than the central terminal, can be used for output to provide an AND/OR logic function. The devices are interconnected using three direction routing based on hexagonal geometry.
REFERENCES:
patent: 5331192 (1994-07-01), Kudoh
patent: 5479034 (1995-12-01), Hashimoto et al.
Aleshin Stanislav V.
Andreev Alexander E.
Jones Edwin R.
Kapoor Ashok K.
Koford James S.
Brown Peter Toby
LSI Logic Corporation
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