Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Patent
1993-11-10
1995-08-15
Callahan, Timothy P.
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
327537, 327538, 327546, 327102, H03K 1704
Patent
active
054423147
ABSTRACT:
The CMOS integrated circuit includes an oscillator including a capacitor having a polysilicon gate of one of several transistors as an electrode thereof and a diffused resistor located adjacent to the polysilicon gate, a counter circuit for calculating a frequency of the oscillator, a power-supply voltage control circuit for selecting an optimal power-supply voltage for transistors in accordance with the frequency, and a power-supply circuit for generating the optimal power-supply voltage.
REFERENCES:
patent: 4823060 (1989-04-01), Doemen
patent: 4961007 (1990-10-01), Kumanoya et al.
patent: 5039893 (1991-08-01), Tomisawa
patent: 5041739 (1991-08-01), Goto
Callahan Timothy P.
Englund Terry L.
NEC Corporation
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