Integrated circuit CMOS inverter structure

Electrical transmission or interconnection systems – Personnel safety or limit control features – Interlock

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307205, 307213, 307214, 330 35, 357 23, 357 42, H03K 1908, H03K 1940, H01L 2978

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active

040244180

ABSTRACT:
To provide for feedback between output and input, a high-resistance feedback circuit is formed of two serially connected oppositely poled semiconductor diodes, integrated with the two complementary MOS transistors on a common semiconductor chip. Preferably, the diodes are located within a window formed in the guard bands on the chip, alongside one of the transistors, and connected with conductive strips to the respective input and output terminals of the transistors.

REFERENCES:
patent: 3500062 (1970-03-01), Annis
patent: 3510684 (1970-05-01), Martin
patent: 3512058 (1970-05-01), Khajezadeh
patent: 3539928 (1970-11-01), Gardner et al.
patent: 3673428 (1972-06-01), Athanas
patent: 3855549 (1974-12-01), Heuner et al.
"COS/MOS Integrated Circuits Manual"; RCA Corp.; RCA/Solid State Division; pp. 14-17; 30-33; 1972.
Marcus, "Odd/Even Shunt Circuits"; IBM Tech. Discl. Bull.; vol 17, No. 8, pp. 2234-2236; 1/1975.

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