×

Multi-chip semiconductor memory device having internal power supply voltage generation circuit for decreasing current consumption

  • US 20070081408A1
  • Filed: 10/04/2006
  • Published: 04/12/2007
  • Est. Priority Date: 10/06/2005
  • Status: Active Grant
First Claim
Patent Images

1. A multi-chip semiconductor memory device, comprising a plurality of memory chips sharing a predetermined chip enable signal, each of the plurality of memory chips comprising:

  • an active internal power supply generation circuit configured to convert an external power supply voltage into an internal power supply voltage and to be disabled in response to deactivation of a predetermined drive control signal; and

    a conversion control circuit for generating the drive control signal, wherein the drive control signal is deactivated in an interval in which any of the plurality of memory chips is in an active interval.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×