Charge redistribution circuit and method

Details Charge redistribution circuit and method Charge redistribution circuit and method

1995-06-02

1997-06-10

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Generating staircase output

327530, H03K 402

Patent

active

056380135

ABSTRACT:
In a signal transmission circuit having a plurality of signal lines for supplying potentials to load capacitances, in which each load capacitance is driven by each signal line, each signal line can be connected to another signal line via a switch. By connecting two signal lines at different potentials to each other by means of said switch, the potentials of the signal lines are changed through the process of charge redistribution, thereby eliminating charging and discharging through a power-source line and a ground line. Therefore, if n load capacitances are equal to each other, the switches are controlled so that the potential variation of each of the signal lines is phase shifted from those of its adjacent signal lines by 1
. Thus, the load capacitances can be driven with 1
of the total amount of charge consumed in the case of driving the n load capacitances independently, thereby reducing the consumed current.

REFERENCES:
Patent Abstracts of Japan, vol. 16, No. 182 (P-1346) Apr. 30, 1992 & JP-A- 40 021 112 (abstract).

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