AS1901 Datasheet - austriamicrosystems AG

AS1901 Ultra Low-Power uP Supervisory Circuit

The AS1901/2/3 family is an ultra low-power supervisory circuit device. The device can be used to monitor the supply voltage of digital systems and microprocessors and initiate a reset when the voltage goes below a predefined threshold. The duration of the reset is 5/20/100/500ms (typ.) after the su.

AS1901 Features

* ! ! Low 230nA (typ) Supply Current Precision Monitoring of 2.5-, 3-, and 3.3V-Power Supplies Supply Voltage Range: 1.0 to 3.6V Reset Threshold Range: 2.2 to 3.1V Available in 3 Versions: - AS1901 Push Pull RESETN - AS1902 Push Pull RESET - AS1903 Open Drain RESETN ! ! ! The AS1901 has a push-pull

AS1901_austriamicrosystemsAG.pdf