M5295AL datasheet(3/13 Pages) RENESAS

Part #	M5295AL

Description	Watchdog Timer

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Manufacturer	RENESAS [Renesas Technology Corp]

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M5295AL/AP/AFP

REJ03D0780-0200 Rev.2.00 Jun 15, 2007

Page 3 of 12

Absolute Maximum Ratings

(Ta = 25°C, unless otherwise noted)

Item

Symbol

Ratings

Unit

Supply voltage

VCC

15

V

Input voltage

VIN

–10 to +10

V

Output voltage

VOUT

15

V

Output current

IOUT

10

mA

Power dissipation

Pd

800(AL)/625(AP)/440(AFP)

mW

Thermal derating

K

θ

8.0(AL)/6.25(AP)/4.4(AFP)

mW/°C

Operating temperature

Topr

–20 to +75

°C

Storage temperature

Tstg

–55 to +125

°C

Electrical Characteristics

(Ta = 25°C, unless otherwise noted)

DC Characteristics

Test Conditions

Item

Symbol

Min

Typ

Max

Unit

IIH

0.06

0.15

0.25

VIN = 5V

WD input current

IIL

–0.05

–0.1

–0.15

mA

WD

VIN = –5V

VIH

2

—

WD input voltage

VIL

—

0.8

V

WD

TC output current

IOUT

—

–1

µA

TC

VIN = 1.5V

TC input current

IIN

—

3.3

—

mA

TC

VOUT = 4.2V

VTH3(H)

3.7

4

4.3

Threshold voltage of

watchdog timer

VTH3(L)

1.7

2

2.3

V

TC

Output voltage

VOL

—

0.1

0.5

V

IOUT = 1mA

Output leakage current

Ileak

—

5

µA

RST1

RST2

VOUT = 15V

VCC detective voltage (1)

VTH1

4.05

4.25

4.45

V

VCC

VTH2(H)

4.5

4.7

4.9

VTH2(L)

4.45

4.6

4.75

VCC detective voltage (2)

∆V

TH2

0.05

0.1

0.2

V

VCC

ADJ1 voltage

V5

1.17

1.46

1.75

V

ADJ1

ADJ2 voltage

V8

1.07

1.34

1.61

V

ADJ2

RST1 on voltage

RST1

—

0.5

V

RST1

VCC = 1.2V, RL = 4.7kΩ

RST2 on voltage

RST2

—

0.5

V

RST2

VCC = 1.2V, RL = 4.7kΩ

Circuit current

ICC

—

0.8

1.5

mA

VCC

DC Characteristics

Test Conditions

Item

Symbol

Min

Typ

Max

Unit

—

1.1

⋅C⋅R

1

—

s

Watchdog timer

TWD

0.5

1.1

1.7

ms

RST1

C = 0.1

µF, R

1 = 10kΩ

—

0.5

⋅C⋅R

1

—

s

Reset timer (1)

tRST(1)

0.2

0.5

1.1

ms

RST1

C = 0.1

µF, R

1 = 10kΩ

—

830

⋅C

—

s

R1 = 10kΩ

Reset timer (2)

tRST(2)

40

83

220

µs

RST1

C = 0.1

µF, R

1 = 10kΩ

Input pulse watch

tWDIN

3

—

µs

WD

td1

—

20

—

RST1

Transmittal delay time

td2

—

10

—

µs

RST2

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