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SLG7WD47666 - Watchdog Timer

General Description

5 3.

Specifications 6 3.1 Absolute Maximum Ratings 6 3.2 Electrical Specifications 6 4.

Package Top Marking Definitions 8 5.

Key Features

  • may also be added. For more information on custom configurations, visit the GreenPAK Website. Click here to download the GreenPAK file for the SLG7WD47666 design. E-mail GreenPAKSupport@renesas. com for more information and GreenPAK design support. Features.
  • Very low current consumption: 9 μA typical.
  • Watchdog timeout period 1.6 s.
  • Chip enable input.
  • +2.5 V to +5.5 V operating voltage.
  • Open-drain nWDO output.
  • Operating temperature range: -40 °C to 85 °C.
  • ESD pe.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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SLG7WD47666 Watchdog Timer Datasheet The SLG7WD47666 watchdog timer supervises microprocessor (μP) activities, identifying anomalies in system behavior. For proper code execution, the microprocessor must periodically toggle the watchdog input (WDI) before the selected timeout (twd) expires. During normal operation, WDI clears the internal watchdog timer at intervals within twd. If the watchdog timer is not cleared within twd, a watchdog output (nWDO) pulse is triggered, which indicates there was a failure to execute instructions in time. This pulse can prompt a microprocessor reset or system interrupt to address errors in operation, enhancing system reliability. Additionally, an enable pin (nEN) allows toggling of the watchdog functionality.