RV5C387A_03 datasheet(4/49 Pages) RICOH | I2C bus SERIAL INTERFACE REAL-TIME CLOCK IC WITH VOLTAGE MONITORING FUNCTION

Part No.	RV5C387A

Description	I2C bus SERIAL INTERFACE REAL-TIME CLOCK IC WITH VOLTAGE MONITORING FUNCTION

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Manufacturer	RICOH [RICOH electronics devices division]

Direct Link	http://www.ricoh.com

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RV5C387A

ABSOLUTE MAXIMUM RATINGS

Symbol

Item

Conditions

Ratings

Unit

VDD

Supply Voltage

–0.3 to +6.5

Input Voltage 2

SCL, SDA

–0.3 to +6.5

Output Voltage

SDA, INTRA, INTRB

–0.3 to +6.5

INTRC, 32KOUT

Power Dissipation

Topt=25˚C

300

Topt

Operating Temperature

–40 to +85

˚C

Tstg

Storage Temperature

–55 to +125

˚C

(Vss=0V)

ABSOLUTE MAXIMUM RATINGS

Absolute Maximum ratings are threshold limit values that must not be exceeded even for an instant under

any conditions. Moreover, such values for any two items must not be reached simultaneously. Operation

above these absolute maximum ratings may cause degradation or permanent damage to the device. These

are stress ratings only and do not necessarily imply functional operation below these limits.

RECOMMENDED OPERATING CONDITIONS

(Vss=0V,Topt=–40 to +85˚C)

Symbol

Item

Conditions

MIN.

TYP.

MAX.

Unit

VDD

Supply Voltage

2.0

5.5

VCLK

Timekeeping Voltage

1.45

5.5

fXT

Oscillation Frequency

32.768

kHz

VPUP

Pull-up Voltage

SCL, SDA, INTRA, INTRB, INTRC, 32KOUT

5.5

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