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RV5C386A-E2

I2C-Bus Real-Time Clock ICs with Voltage Monitoring Function

RICOH Co.,Ltd. 

RV5C386A

PRELIMINARY

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 SCL,SDA, VDD=2.0 to 5.5V 0.8VDD

5.5

VIL

“L” Input Voltage CLKC

-0.3

0.2VDD V

IOH

“H” Output

32KOUT

VOH=VDD-0.5V

-0.5mA mA

Current

IOL1

32KOUT

0.5

IOL2

“L” Output

/INTRA,

VOL=0.4V

1.0

mA

Current

/INTRB

IOL3

SDA

4.0

IIL

Input Leakage SCL

Current

VI=5.5V or VSS

-1

VDD=5.5V

1

µA

ICLKC Pull Down

CLKC

Resistance Input

VI=5.5V

0.35 1.0 µA

Current

IOZ

Output Off-state SDA,

VO=5.5V or VSS

Current

/INTRA,

VDD=5.5V

-1

1

µA

/INTRB

IDD

Time Keeping

VDD=3V,

Current

VDD

SCL=SDA=3V,

CLKC=VSS

0.35 0.8 µA

Output = OPEN

*1)

Supply Voltage

VDETH Monitoring

VDD

Topt=-30 to +70°C

1.90 2.10 2.30

V

Voltage “H”

VDETL

Supply Voltage

Monitoring

Voltage “L”

VDD

Topt=-30 to +70°C

1.45 1.60 1.80

V

CG

Internal

OSCIN

12

Oscillation

Capacitance 1

pF

CD

Internal

OSCOUT

12

Oscillation

Capacitance 2

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

Characteristics”.

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