Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1986-07-23
1991-08-20
Miller, Stanley D.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307597, 307601, 307455, 307270, 307303, H03K 513, H03K 5159
Patent
active
050417479
ABSTRACT:
An integrated circuit chip carries a number of electronic circuits, at least one of which includes, in its output stage, a control device that responds to a reference signal to adjust the output current-handling capability of the electronic circuit, thereby regulating the signal propagation delay exhibited by the electronic circuit. The reference circuit is generated by a digital-to-analog circuit that is also formed on the chip. The digital-to-analog circuit is coupled to a number of contact elements disposed on an outer surface of the package containing the integrated circuit chip that can be selectively interconnected to a DC voltage to choose the value of the reference signal.
REFERENCES:
patent: 3423638 (1969-01-01), Dix et al.
patent: 4150366 (1979-04-01), Price
patent: 4227185 (1980-10-01), Kronlange
patent: 4687953 (1987-08-01), Varadarajan
H. Remshart, "Tolerance Trimming of Electrical Data of LSI" IBM Technical Disclosure Bulletin, vol. 20, No. 8, Jan. 1978.
Chengson David P.
Wang H. William
Duong Tai V.
Miller Stanley D.
Tandem Computers Incorporated
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