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MB3793-37APF

Power Voltage Monitoring IC with Watchdog Timer

Fujitsu 

MB3793-37A

■ ABSOLUTE MAXIMUM RATINGS

Parameter

Power supply voltage*

Input voltage*

Reset output current

Allowable loss

Storage temperature

Symbol

CK1

CK2

INH

RESET

VCC

VCK1

VCK2

IINH

IOL

IOH

PD

Tstg

Conditions

—

—

—

—

—

Ta ≤ +85°C

—

Rating

Min

Max

–0.3

+7

–0.3

+7

–10

+10

—

200

–55

+125

Unit

V

V

mA

mW

°C

*: The power supply voltage is based on the ground voltage (0 V).

WARNING: Semiconductor devices can be permanently damaged by application of stress (voltage, current,

temperature, etc.) in excess of absolute maximum ratings. Do not exceed these ratings.

■ RECOMMENDED OPERATING CONDITIONS

Parameter

Value

Symbol Conditions

Unit

Min

Typ

Max

Power supply voltage

VCC

—

1.2

—

6.0

V

Reset (RESET) output current

IOL

IOH

—

–5

—

+5

mA

Power-on reset hold time setting

capacity

CTP

—

0.001

—

10

µF

Watchdog-timer monitoring time

setting capacity*

CTW

—

0.001

—

1

µF

Operating ambient temperature

Ta

—

–40

—

+85

°C

*: The watchdog timer monitor time range depends on the rating of the setting capacitor.

WARNING: The recommended operating conditions are required in order to ensure the normal operation of the

semiconductor device. All of the device’s electrical characteristics are warranted when the device is

operated within these ranges.

Always use semiconductor devices within their recommended operating condition ranges. Operation

outside these ranges may adversely affect reliability and could result in device failure.

No warranty is made with respect to uses, operating conditions, or combinations not represented on

the data sheet. Users considering application outside the listed conditions are advised to contact their

FUJITSU representatives beforehand.

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