专利名称：Single pump circuit for generating high
voltage from two different inputs
发明人：S. Babar Raza申请号：US08/911209申请日：19970814公开号：US05973545A公开日：19991026
摘要：A single pump circuit for generating a variable high voltage that responds tomore than one discrete input. The present invention uses a common pump circuitry toprocess a number of voltage inputs. Each of the voltage inputs can be a different inputvoltage and will be stepped up to a higher output voltage according to the designconstraints of the pump circuitry. Since the pump circuitry is used for each of the inputs,without redundancy, the amount of chip real estate consumed is minimized. A switchingsystem is implemented that detects which input has a voltage present and activates aparticular path to the pump output accordingly.
申请人：CYPRESS SEMICONDUCTOR CORP.
代理人：Christopher P. Maiorana, P
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