SM72240 Datasheet (Texas Instruments)

SM72240, Microprocessor Reset

The SM72240 microprocessor supervisory circuit monitors the power supplies in microprocessor and digital systems.

It provides a reset to the microprocessor during power-up, power-down, brown-out conditions, and manual reset.

The SM72240 asserts a reset signal whenever the supply decreases below the

SM72240 Features

* 1

* 2 Renewable Energy Grade

* Precise monitoring of 5V supply voltages

* Fully specified over temperature

* 40°C to +125°C

* 100 ms minimum Power-On Reset pulse width, 190 ms typical:

* Active-Low RESET Open Drain Output

* RESET Output