Circuitry to provide a low power input buffer

Details Circuitry to provide a low power input buffer Circuitry to provide a low power input buffer

2005-01-18

2005-01-18

Wells, Kenneth B. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

C327S108000

Reexamination Certificate

active

06844770

ABSTRACT:
Input buffer circuitry that prevents high voltage output from high voltage circuitry from being applied to connected low voltage circuitry. An input of the input buffer circuitry receives signals from the high voltage circuitry. Pinch-off circuitry receives the input signals and prevents voltage above a threshold voltage from being applied to an output of the pinch-off circuitry. Boost circuitry controls the threshold voltage of the pinch-off circuitry and pull-up circuitry draws voltage from the output of the pinch-off circuitry to regulate the control by the booster circuitry.

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K. Bernstein et al.,High Speed CMOS Design Styles, IBM Microelectronics, Kluwer Academic Publishers, pp. 240-241, 1998.

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