Electronic circuit device having a power supply level switching

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons

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307443, 307455, 307456, 307362, 307296R, 307310, 307318, H03K 19086, H03K 19088

Patent

active

046251294

ABSTRACT:
An electronic circuit device, such as an integrated circuit device, includes circuit portions which are not all used at the same time, for example, ECL-type circuits and TTL-type circuits. The electronic circuit device includes at least one power terminal commonly provided for all of the circuit portions and a control circuit for activating part of the circuit portions in accordance with the potential of a power source voltage applied to the power terminal or terminals.

REFERENCES:
patent: 3909636 (1975-09-01), Masaki et al.
patent: 4152696 (1979-05-01), Smith
patent: 4184087 (1980-01-01), Nutz
patent: 4200918 (1980-04-01), Glock et al.
patent: 4290119 (1981-09-01), Masuda et al.
patent: 4301380 (1981-11-01), Thomas
patent: 4349750 (1982-09-01), Geurts
patent: 4356414 (1982-10-01), Guntner et al.
patent: 4399524 (1983-08-01), Muguruma et al.
patent: 4481430 (1984-11-01), Houk et al.
patent: 4498022 (1985-02-01), Koyama et al.
European Search Report, The Hague, Nov. 27, 1985, Examiner: A. G. W. Davis.

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