ST’s smart reset  ICs extend the functional capacity of existing buttons so that users can reset their frozen device with a long push of one or two buttons simultaneously.  These devices integrate several useful features, such as:

  • No need for a specific reset button – an existing button or combination of buttons can be used
  • Customizable input delay time from 5 to 10 second, that ensures that inadvertent, short activation of the button(s) do not cause a system reset
  • Choice of a single button or two simultaneous buttons to signal a reset
  • Support for applications where the battery is unremovable
  • Very small packages (DFN and UDFN) for minimal impact on board size  

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