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Voltage operation system

  • US 8,456,221 B2
  • Filed: 04/15/2011
  • Issued: 06/04/2013
  • Est. Priority Date: 04/16/2010
  • Status: Active Grant
First Claim
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1. A voltage operating system, comprising:

  • a power on reset circuit, for generating a power on reset signal;

    a voltage detecting circuit, for detecting a working voltage to output a voltage detecting signal;

    an operating signal generating circuit, coupled to the voltage detecting circuit and the power on reset circuit to output an operating signal according to the voltage detecting signal and the power on reset signal; and

    an electronic fuse circuit is used to be melted or not according to a locking signal, a melting signal and the operating signal.

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