×

Semiconductor integrated circuit, semiconductor integrated circuit module and information apparatus

  • US 7,121,472 B2
  • Filed: 11/25/2003
  • Issued: 10/17/2006
  • Est. Priority Date: 12/25/2002
  • Status: Expired due to Fees
First Claim
Patent Images

1. A semiconductor integrated circuit driven by an external power, comprising:

  • a change unit whose state changes with lapse of time without the external power, wherein the change unit includes a plurality of change elements, each of the change elements whose state changes with lapse of time without the external power;

    an output unit configured to output a signal in response to an instruction issued when the external power is supplied, the signal indicating a change of the state of the change unit; and

    an execution unit configured to execute a process in response to the signal.

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