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Memory device which can change control by chip select signal

  • US 20030174547A1
  • Filed: 02/13/2003
  • Published: 09/18/2003
  • Est. Priority Date: 03/15/2002
  • Status: Active Grant
First Claim
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1. A memory device which is controlled to be in enable status and disable status by a chip select signal, comprising:

  • an address terminal for inputting a plural bits of address signal;

    a chip select terminal for inputting an external chip select signal; and

    an access mode control circuit which enables switching of a first control mode for executing enable/disable control of the memory device according to a plurality of external chip select signals and a predetermined address signal in said address signal to be input, and a second control mode for executing said enable/disable control of the memory device according to a single external chip select signal.

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