VOLTAGE LEVEL SHIFT WITH CHARGE PUMP ASSIST

摘要

A charge pump assist circuit to assist a voltage level shifter to toggle an output based on an input. The charge pump assist circuit may be implemented to toggle the output at a higher rate than the voltage level shifter. The voltage level shifter may be biased with an undivided voltage rail, such as an operating voltage of the charge pump assist circuit, rather than a divided voltage rail, while maintaining or increasing a toggle rate. The charge pump assist circuit may include a non-overlapping control generator to generate non-overlapping differential controls, and may further include first and second charge pump multipliers to increase voltages of the differential controls by a multiple of the operating voltage.

主权项

1. A voltage level shift apparatus, comprising:
a voltage level shifter; and a charge pump assist circuit to assist the voltage level shifter to toggle an output.