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Power Management
NJU7291

System Reset IC with Watchdog Timer

Features
  • Supply voltage range (V+=2.5V to 7.0V)
  • RESET voltage (VRL=±1.0%)
  • RESET voltage is adjustable with external resister
  • Output delay hold time and watchdog timer RESET time setting ratio=30:1
  • Independently configurable watchdog timer monitor time
  • Independently configurable stopping watchdog timer function
  • Package Outline (
    MSOP8(TVSP8)*MEET JEDEC MO-187-DA / THIN TYPE,DIP8)
General 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.
Package Information
Part Number Package OutlinePinsMaterial Declaration (RoHS/Halogen)Terminal FinishWeight(mg) (Reference)Reflow solderingFlow solderingIron solderingPacking ConditionMSLSolder Foot Print
NJU7291D download
DIP8
8 Sn2Bi 510 - Yes Yes Non dry pack - -
NJU7291RB1 download
MSOP8(TVSP8)
8 Sn2Bi 18 Yes Yes Yes Non dry pack 1
Sample & Buy
Part NumberPackagesStatusPacking SpecificationSample
NJU7291D DIP8 (Active)
NJU7291RB1 MSOP8(TVSP8) (Active)
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