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RV5C386A_03

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

RICOH Co.,Ltd. 

RV5C386A

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

VIL

“L” Input Voltage

SCL,SDA, CLKC

VDD=2.5 to 5.5V

0.8VDD

–0.3

5.5

V

0.2VDD

IOH

“H” Output Current 32KOUT

VOH=VDD–0.5V

–0.5 mA

IOL1

32KOUT

0.5

IOL2

“L” Output Current INTRA, INTRB

VOL=0.4V

1.0

mA

IOL3

SDA

4.0

IIL

Input Leakage Current SCL

VI=5.5V or Vss

–1

VDD=5.5V

1

µA

ICLKC

Pull Dwon Resistancs

CLKC

Input Current

VI=5.5V

0.35 1.0

µA

Output Off-state

Vo=5.5V or Vss

IOZ

SDA, INTRA, INTRB

–1

Current

VDD=5.5V

1

µA

IDD

Timekeeping Current VDD

VDD=3V,

SCL=SDA=3V,

Output=OPEN*1

CLKC=“L”

0.35 0.8

µA

VDETH

Supply Voltage Monitoring

VDD

Voltage (“H”)

Topt=–30 to +70˚C

1.90 2.10 2.30

V

VDETL

Supply Voltage Monitoring

VDD

Voltage (“L”)

Topt=–30 to +70˚C

1.45 1.60 1.80

V

CG

Internal Oscillation Capacitance 1 OSCIN

CD

Internal Oscillation Capacitance 2 OSCOUT

12

pF

12

*1) For standby current for outputting 32.768-kHz clock pulses from the 32KOUT pin, see “USAGES, 7. Typical Characteristics”.

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