Claims
- 1. A method of controlling a charge pump circuit, comprising the steps of:
- providing a charge pump circuit;
- providing a supply voltage (VCC) to said charge pump circuit;
- providing at least one input signal to said charge pump circuit;
- providing a VCC control signal to said charge pump circuit,
- wherein said control signal is at a first logic state when said supply voltage is equal to about 5.0 volts and is at a second logic state when said supply voltage is equal to about 3.3 volts;
- generating at least one corresponding output signal having an increase voltage level from said at least one input signal only when said control signal is at said second logic state; and
- outputting said at least one output signal.
- 2. The method of claim 1, wherein said first logic state is a logic `1` and said second logic state is a logic `0`.
Parent Case Info
This application is a divisional of application Ser. No. 08/363,485, filed Dec. 23, 1994, pending.
US Referenced Citations (22)
Divisions (1)
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Number |
Date |
Country |
Parent |
363485 |
Dec 1994 |
|