X40420 Datasheet (Intersil Corporation)

X40420, Dual Voltage Monitor

The X40420/21 combines power-on reset control, watchdog timer, supply voltage supervision, and secondary supervision, manual reset, and Block Lock™ protect serial EEPROM in one package.

This combination lowers system cost, reduces board space requirements, and increases reliability.

Applying voltage

X40420 Features

* Dual voltage detection and reset assertion

* Three standard reset threshold settings (4.6V/2.9V, 4.6V/2.6V, 2.9V/1.6V)

* VTRIP2 Programmable down to 0.9V

* Adjust low voltage reset threshold voltages using special programming sequence

* Reset signal valid to VCC