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ELECTRIC

MITSUBISHI

M5295AL/P/FP

MITSUBISHI<Dig.Ana.INTERFACE>

WATCHDOG TIMER

DESCRIPTION

M5295A is a semiconductor integrated circuit which is

designed for System Reset to detect +5V power supply.

This IC keeps the operation microcomputer watching.

When the system is abnormal,it generates Reset output until the

system returns to normal states of the System.

It is possible to vary the two detective voltage by connecting the

resistor,so it is suitable to high quality and high performance

system.

FEATURES

•Watch Dog Timer

•Power on Reset Timer

•Low circuit current 0.8mA(Typ,Vcc=5V)

•Wide Range of power supply

BLOCK DIAGRAM

APPLICATION

Microcomputer Systems

1

PIN CONFIGURATION (TOP VIEW)

RECOMMENDED OPERATING CONDITIONS

Supply voltage...........................................4V to 15V

Rated supply voltage............................................5V

8

5

4

6

7

3

2

1

8

5

6

7

1

4

3

2

Outline 8P5(AL)

Outline 8P4(AP)

8P2S-A(AFP)

ADJ2

RST2

Vcc

ADJ1

GND

RST1

TC

WD

ADJ2

RST2

Vcc

ADJ1

GND

RST1

TC

WD

1

2

3

4

5

6

7

8

WD

TC

RST1

GND

ADJ1

Vcc

RST2

ADJ2

-

+

-

+

F.F

F.F

F.F

W.D.T

REFERENCE VOLTAGE

GENERATOR CIRCUIT

-

+

51.2k

49.6k

18.8k

20.4k

1.24V

20k

30k