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ELECTRIC

MITSUBISHI

M5295AL/P/FP

MITSUBISHI<Dig.Ana.INTERFACE>

WATCHDOG TIMER

2

V

ABSOLUTE MAXIMUM RATINGS (Ta=25°C,unless otherwise noted)

Symbol

Ratings

Unit

Supply voltage

15

Parameter

Conditions

Topr

Operating temperature

Power dissipation

(2)AC FEATURES

Symbol

Test conditions

Limits

Unit

Parameter

Min.

Typ.

Max.

°C

°C

-20 to +75

-55 to +125

mW

Pd

Watch dog timer

Tstg

Storage temperature

Reset timer (1)

ELECTRICAL CHARACTERISTICS (Ta=25°C,Vcc=5V,unless otherwise noted)

(1)DC FEATURES

Symbol

Test conditions

Limits

Unit

Parameter

Min.

Typ.

Max.

WD input current

WD input voltage

TC output current

TC input current

mA

0.06

0.25

-0.15

-1

0.05

mA

V

V

µA

0.15

mA

ms

40

1.1

220

Input voltage

Output voltage

Output current

mA

V

V

-10 to +10

15

10

800(SIP)/625(DIP)/440(FP)

0.2

K

Thermal derating

Ta

≥25°C

8(SIP)/6.25(DIP)/4.4(FP)

mW/°C

Threshold voltage of watch dog timer

Output voltage

Vcc detective voltage(1)

V

3.7

4.3

2.3

4.45

1.7

Output leak current

V

V

µA

V

4

ADJ1 voltage

RST1 on voltage

RST2 on voltage

4.5

4.9

4.75

0.5

4.45

ADJ2 voltage

V

V

V

V

4.7

1.75

V

Pin

Circuit current

V

RST1

RST2

Icc

Vcc detective voltage(2)

WD

WD

TC

TC

TC

RST1

RST2

Vcc

Vcc

ADJ1

ADJ2

RST1

RST2

Vcc

V

V

-0.1

2

0.8

3.3

2

0.1

0.5

5

4.05

4.25

4.6

0.05

0.1

0.2

1.17

1.46

1.07

1.34

1.61

0.5

1.5

0.8

Pin

Reset timer (2)

Input pulse watch

Transmittal delay time

RST1

RST1

RST1

RST1

RST2

WD

C=0.1µF,R1=10k

Ω

C=0.1µF,R1=10k

Ω

C=0.1µF,R1=10k

Ω

R1=10k

Ω

0.5

3

20

10

83

830•C

0.5

0.5•C•R1

1.1

1.7

1.1•C•R1

ms

s

s

s

µs

µs

µs

µs