Precharged buffer with reduced output voltage swing

Details Precharged buffer with reduced output voltage swing Precharged buffer with reduced output voltage swing

1990-12-12

1992-07-28

Hudspeth, David

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307443, 307481, H03K 1704

Patent

active

051343169

ABSTRACT:
A buffer with reduced output swing characterized by a CMOS logic level compatible input, an output adapted to develop a reduced voltage swing output signal, and a precharged converter circuit coupled between the output and the input for converting the input signal to the output signal. The precharged converter circuit includes a voltage range conversion stage coupling the input to the output of the buffer and a precharger stage coupled to the voltage range conversion stage to provide the voltage range conversion stage with a ready supply of charge to quickly change the output signal in response to a change in the input signal. A method for reducing output swing on a buffer includes precharging a voltage range conversion circuit capable of developing an output signal which is variable within an output range and coupling the conversion circuit to an input signal which is variable within an input range which is larger than the output range.

REFERENCES:
patent: 5030857 (1991-07-01), Sanwo et al.
patent: 5036224 (1991-07-01), Wendell

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