RV5C387A datasheet(4/42 Pages) RICOH

Part #	RV5C387A

Description	I2C-bus Real-Time Clock ICs 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

PRELIMINARY

12345

- 4 -

8.

DC ELECTRICAL CHARACTERISTICS

(Unless otherwise specified : VSS=0V,VDD=3V,Topt=-40 to +85

°C)

Symbol

Item

Pin Name

Conditions

Min.

Typ.

Max.

Unit

VIH

“H” Input Voltage

0.8VDD

5.5

VIL

“L” Input Voltage

SCL,SDA

VDD=2.0 to 5.5V

-0.3

0.2VDD

V

IOL1

32KOUT

0.5

IOL2

/INTRA,

/INTRB,

/INTRC

1.0

IOL3

“L” Output

Current

SDA

VOL=0.4V

4.0

mA

IIL

Input Leakage

Current

SCL

VI=5.5V or VSS

VDD=5.5V

-1

1

µA

IOZ

Output Off-state

Current

SDA,

/INTRA,

/INTRB,

/INTRC

VO=5.5V or VSS

VDD=5.5V

-1

1

µA

IDD

Time Keeping

Current

VDD

VDD=3V,

SCL=SDA=3V,

Output = OPEN

32KOUT=OFF mode

*1)

0.35

0.8

µA

VDETH

Supply Voltage

Monitoring

Voltage “H”

VDD

Topt=-30 to +70

°C

1.90

2.10

2.30

V

VDETL

Supply Voltage

Monitoring

Voltage “L”

VDD

Topt=-30 to +70

°C

1.45

1.60

1.80

V

CG

Internal

Oscillation

Capacitance 1

OSCIN

12

CD

Internal

Oscillation

Capacitance 2

OSCOUT

12

pF

*1) For Standby Current for outputting 32.768kHz clock pulses from the 32KOUT pin, see, “14.7 Typical

Characteristics”.

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RV5C387A Datasheet(PDF) 4 Page - RICOH electronics devices division

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