Structure for logic circuits

Details Structure for logic circuits Structure for logic circuits

H - Electricity

01

L

356/124, 356/30

H01L 29/00 (2006.01) H01L 27/02 (2006.01) H01L 27/082 (2006.01) H03K 19/082 (2006.01)

Patent

CA 1113614

Abstract of the Disclosure A structure for logic circuits comprises a current source formed by a PNP transistor and two complementary transistors integrated on the same N-type substrate. A buried plate and P-type walls forms insulating housings. These two complementary transistors are of the vertical type and the PNP transistor has the buried layer as its collector. This buried layer and the insulating walls enable current to be injected into the PNPN structure which eliminates the need for surface inter- connection networks and increases the integration density.

292310

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