Logic circuit and semiconductor integrated circuit device capabl

Details Logic circuit and semiconductor integrated circuit device capabl Logic circuit and semiconductor integrated circuit device capabl

1988-01-27

1989-08-01

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

3072001, 307264, 307475, 307570, H03K 19003, H03K 1710, H03K 1706, H03K 3013

Patent

active

048535605

ABSTRACT:
When a counter-part power supply designator of a first LSI designates that the counter-part power supply voltage of another LSI is a first power supply difference which is the same as the power supply difference of its own, an output circuit control controls an output circuit and the output circuit produces an output signal having a level adaptive to the counter-part LSI operating at the first power supply voltage. When the counter-part power supply voltage designator designates that the counter-part power supply voltage difference, lower than the first power supply voltage difference, the output circuit control controls the output circuit and the output circuit produces an output signal having a level adaptive to the counter-part LSI operating at the second power supply voltage difference. Thus, a plurality of LSIs can be operated at mutually different power supply voltages.

REFERENCES:
patent: 4158804 (1979-06-01), Butler et al.
patent: 4230951 (1980-10-01), Suzuki et al.
patent: 4716313 (1987-12-01), Hori et al.
patent: 4734595 (1988-03-01), Le Roux et al.
patent: 4758743 (1988-07-01), Dehganpour et al.
patent: 4760282 (1988-07-01), Kuo et al.

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