公开(公告)号：EP1566723B1

公开(公告)日：2007-11-21

申请号：EP04100682.6

申请日：2004-02-20

Applicant: STMicroelectronics S.r.l.

Inventor： Castaldo, Enrico ,  Conte, Antonino ,  Torrisi, Salvatore ,  Sambataro, Vincenzo

IPC: G06F1/26 ,  G11C16/30

CPC classification number: G06F1/26 ,  G11C16/30

公开(公告)号：EP1566723A1

公开(公告)日：2005-08-24

申请号：EP04100682.6

申请日：2004-02-20

Applicant: STMicroelectronics S.r.l.

Inventor： Castaldo, Enrico ,  Conte, Antonino ,  Torrisi, Salvatore ,  Sambataro, Vincenzo

IPC: G06F1/26 ,  G11C16/30

CPC classification number: G06F1/26 ,  G11C16/30

Abstract: A power management unit (115) for a non-volatile memory device (100) is proposed. The power management unit includes means (125) for providing a reference voltage, resistive means (Rr) for deriving a reference current from the reference voltage, means (135 1 -135 n ) for generating a plurality of operative voltages from a power supply voltage, and means (145 1 -145 n ) for regulating the operative voltages; in the power management unit of the invention, for each operative voltage the means for regulating includes means (220) for deriving a scaled reference current from the reference current according to a scaling factor, further resistive means (245 i ) for deriving a rating voltage from the scaled reference current, means (220,245 i ) for deriving a measuring voltage from the operative voltage and the rating voltage, and means (250 i ) for controlling the operative voltage according to a comparison between the measuring voltage and the reference voltage.

Abstract translation: 一种功率管理单元（115），用于非易失性存储器装置（100）被提议。 功率管理单元包括用于从参考电压导出的参考电流的装置（1351-135n），用于从电源电压产生工作电压的多元化提供参考电压，电阻装置（RR）手段（125），和 装置（1451-145n），用于调节所述工作电压; 在本发明的功率管理单元，对于每个操作电压的装置，用于调节包括​​用于从所述基准电流雅丁缩放参考电流的缩放因子，另外电阻装置（245I），用于从导出的评价电压的装置（220） 缩放的参考电流的装置（220,245i），用于从所述操作电压和额定电压的测量电压的装置，以及（250I），用于控制工作电压gemäß到测量电压和所述基准电压之间的比较。