Description
Number 1 2
3 4
5 6
7
Pins MR VDD
GND PFI
PFO WDI
RESET_OD
Type Digital Input TTL/CMOS compatible
Supply
Supply Analog Input
Digital Output Digital Input
Open Drain Digital Output
Description
Manual Reset Input with an internal pull-up.Active low.MR low forces the reset output RESET_OD low.Required minimum MR pulse width is 150ns.RESET_OD is held low for duration of the reset timer.Power supply.Operating voltage range is 4.75V to 5.5V.VDD level is monitored internally by a dedicated c
Features
- 4.75V to 5.5V Operating voltage range Power supply (VDD) monitor set by the internal voltage
reference at 4.65V Precision Input Voltage Monitor using an internal 1.25V
voltage reference Watchdog Timer Circuit monitoring activity on WDI input
- Nominal timeout 1.6s RESET_OD output responding to the VDD monitor and the
manual reset input MR
- Nominal RESET_OD pulse width 200ms RESET_OD level valid for VDD>=1.2V
Operating Temperature Range -55oC to +125oC Low Power, Typical 400uA .