Reference voltage distribution system

Details Reference voltage distribution system Reference voltage distribution system

1989-09-26

1991-02-05

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

3072961, 307303, 323315, H03K 301, H03K 19086

Patent

active

049907972

ABSTRACT:
A reference voltage distribution system for use on an integrated circuit to distribute, from a reference voltage input, to remote locations on the chip, precise images of the reference voltage. The system comprises (1) a reference buffer located proximate a reference input connection and (2) a plurality of remote generator blocks, one located at each of the remotely-located sub-blocks or circuits requiring an image of the reference voltage. The reference buffer generates from the reference voltage a number of precision currents, each proportional to the reference voltage. These precision currents are routed to the remote generator blocks. Each remote generator block converts its precision current into a precision reference voltage for local use. These latter reference voltages may be the same as or different from the reference voltage supplied to chip itself.

REFERENCES:
patent: 3743850 (1973-07-01), Davis
patent: 4626771 (1986-12-01), Williams
patent: 4678935 (1987-07-01), Nawata et al.
patent: 4904887 (1990-02-01), Sugiyama et al.
patent: 4931665 (1990-06-01), Yee

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