NJU7291 Series
System Reset IC with Watchdog Timer

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  • Description

    The NJU7291 is a system reset IC with watchdog timer. It can detect an instantaneous voltage drop and break, and generates a reset signal. The NJU7291 provides a fail-safe function with an internal watchdog timer on various microcomputer systems. It is available in 8-lead DIP and MSOP (TVSP) packages.

  • Spec
    Consumer Automotive
    Operating Voltage Range 2.5 V to 7 V (8 V)
    Operating Temperature Range -40°C to 85°C -40°C to 105°C
    Supply Current Typ. 170 µA
    Detector Threshold Range 3 V to 4.6 V (0.1V Step) 3 V
    Detector Threshold Accuracy ± 1 % ± 2.5 %
    Package DIP8
    MSOP8(TVSP8)
    MSOP8(TVSP8)
    Note   If you need datasheets of this
    product, please contact us.
  • Technical
    Documents
  • Quality &
    Packages
    • Refer to the datasheets for the details on the product.
    • The package file includes package dimensions, taping specifications, taping reels dimensions, power dissipations, and recommended land pattern.
    • Please contact us or our distributors for unpublished reliability information.

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Functional Description

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Category:Voltage Detectors (Reset ICs)

VIN
min (V)
2.5
VIN
max (V)
7
Release
Delay Time
Adjustable
VDET
min (V)
3
VDET
max (V)
4.6