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Portable data storage apparatus

  • US 20060249587A1
  • Filed: 07/11/2006
  • Published: 11/09/2006
  • Est. Priority Date: 01/13/2004
  • Status: Active Grant
First Claim
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1. A memory card comprising:

  • a non-volatile memory; and

    a power management unit for receiving an external supply voltage to supply an operating voltage to the non-volatile memory, wherein the power management unit boosts/bypasses the external supply voltage based on whether the external supply voltage is lower than a detection voltage and then outputs the boosted/bypassed voltage as the operating voltage of the non-volatile memory.

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