Output driving circuit for maintaining I/O signal duty ratios

Details Output driving circuit for maintaining I/O signal duty ratios Output driving circuit for maintaining I/O signal duty ratios

2005-08-23

2005-08-23

Wells, Kenneth B. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

C327S333000

Reexamination Certificate

active

06933755

ABSTRACT:
Output driving circuit including at least one or more than one level shifter for receiving an input signal to be provided to an outside of an integrated circuit and shifting a voltage level of the input signal to a voltage level required at the outside of the integrated circuit while maintaining a duty ratio of the input signal constant, and an output driving unit for forwarding the input signal to the outside of the integrated circuit under the control of an output enable signal, thereby permitting application to the integrated circuit operative at a high speed, readily.

REFERENCES:
patent: 6262599 (2001-07-01), Coughlin et al.

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