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HA16117F

Part Number	HA16117F
Manufacturer	Hitachi Semiconductor
Description	CMOS Watchdog Timer
Published	Mar 22, 2005
Detailed Description	HA16117F Series CMOS Watchdog Timer Description The HA16117F Series of ICs make a micro-processor (MPU) system fail-saf...
Datasheet	HA16117F PDF File

Overview

HA16117F Series CMOS Watchdog Timer Description The HA16117F Series of ICs make a micro-processor (MPU) system fail-safe by monitoring its power supply to detect voltage drops, and monitoring a P-RUN (program running) pulse to detect system crashes.
Also referred to as watchdog timers, these devices are essential in systems that aim for high levels of crash protection.
Fabricated by a CMOS process, they consume little power and are ideally suited for batteryoperated systems.
These ICs are available in versions for industrial and communications equipment and automotive applications, as well as for consumer products.
Functions • Power-on reset  Sends a RES signal to the MPU for a fixed time...

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