MITSUMI

System Reset (with built-in watchdog timer) MM1035

System Reset (with built-in watchdog timer)

Monolithic IC MM1035

Outline

This IC functions in a variety of CPU systems and other logic systems to generate a reset signal and reset the

system accurately during momentary interruption or lowering of power supply voltage.

It also has a built-in watchdog timer for operation diagnosis. This prevents the system from running wild by

generating an intermittent reset pulse during system mis-operation.

Features

1. Built-in watchdog timer

2. Low minimum operating voltage

3. Both positive and negative logic reset output can be extracted

4. Accurate detection of drop in power supply voltage

5. Detection voltage has hysteresis

6. Few external parts

1 capacitor

Package

DIP-8A (MM1035XD)

SOP-8A (MM1035XF)

Applications

Microcomputers

Item

Symbol

Rating

Units

Storage temperature

-40~+125

Operating temperature

-20~+70

Power supply voltage

-0.3~+10

V

Voltage applied to VS & CK pins

-0.3~+10

V

Voltage applied to RESET, RESET pin

-0.3~+10

V

Allowable loss

Pd

400

mW