System and method for a mixed voltage drive system for floating

Details System and method for a mixed voltage drive system for floating System and method for a mixed voltage drive system for floating

1997-09-09

1999-10-12

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

326 87, H03B 100

Patent

active

059660368

ABSTRACT:
A system for buffering input and output signals in a floating substrate technology environment comprises an output pre-driver and an output driver. The output pre-driver includes a pull-up subsystem and a pull-down subsystem, which both receive an output signal and an output enable signal. The pull-up subsystem includes a multistage delay circuit, a current regulation circuit, and a bootstrap circuit, a keeper circuit, an oscillator circuit, and a turn-off circuit, which are coupled together so that a pull-up signal is generated. The pull-down subsystem includes a stagger circuit and a switch circuit that are coupled together to generate a pull-down signal. The output driver includes a pull-up circuit to receive the pull-up signal and a staggered pull-down circuit to receive the pull-down signal. The output driver generates a pad signal used to drive a peripheral device that is coupled to the mixed voltage drive system. A method for a mixed voltage drive system for floating substrate technology is also disclosed.

REFERENCES:
patent: 5365118 (1994-11-01), Wilcox
patent: 5537060 (1996-07-01), Baek
patent: 5680071 (1997-10-01), Senoh et al.
patent: 5783948 (1998-07-01), Thomann et al.
patent: 5801569 (1998-09-01), Pinkham

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