Microelectronic integrated circuit including hexagonal CMOS "NAN

Details Microelectronic integrated circuit including hexagonal CMOS "NAN Microelectronic integrated circuit including hexagonal CMOS "NAN

1995-03-01

1999-12-21

Meier, Stephen D.

Active solid-state devices (e.g., transistors, solid-state diode

Gate arrays

Having specific type of active device

257341, H01L 2710, H01L 2976, H01L 2994, H01L 31062

Patent

active

060052643

ABSTRACT:
A microelectronic integrated circuit includes a semiconductor substrate, and a plurality of CMOS microelectronic devices formed on the substrate. Each device includes a hexagonal ANY element of a first conductivity type (PMOS or NMOS), and a hexagonal ALL element of a second conductivity type (NMOS or PMOS), the ANY and ALL elements each having a plurality of inputs and an output that are electrically interconnected respectively. The ANY element is basically an OR element, and the ALL element is basically an AND element. However, the power supply connections and the selection of conductivity type (NMOS or PMOS) for the ANY and ALL elements can be varied to provide the device as having a desired NAND, AND, NOR or OR configuration, in which the ANY element acts as a pull-up and the ALL element acts as a pull-down, or vice-versa.

REFERENCES:
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patent: 5198881 (1993-03-01), Huang et al.
patent: 5323036 (1994-06-01), Neilson et al.
Chaudhuri, P. Pal, Routing Multilayer Boards on Steiner Metric, 1980 IEEE International Symposium on Circuits and Systems Proceedings, vol. 3 of 3, pp. 961-964.
Sedra et al, Microelectronic Circuits 1986 pp. 801 and 734.

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