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RV5C387A Datasheet(PDF) 5 Page - RICOH electronics devices division

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
Logo RICOH - RICOH electronics devices division

RV5C387A Datasheet(HTML) 5 Page - RICOH electronics devices division

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RV5C387A
DC ELECTRICAL CHARACTERISTICS
Symbol
Item
Pin name
Conditions
MIN.
TYP.
MAX.
Unit
VIH
“H” Input Voltage
SCL,SDA
VDD=2.5 to 5.5V
0.8VDD
5.5
V
VIL
“L” Input Voltage
–0.3
0.2VDD
IOL1
32KOUT
0.5
IOL2
“L” Output Current
INTRA, INTRB, INTRC VOL=0.4V
1.0
mA
IOL3
SDA
4.0
IIL
Input Leakage Current SCL
VI=5.5V or Vss
–1
1
µA
VDD=5.5V
IOZ
SDA, INTRA, INTRB
Vo=5.5V or Vss
–1
1
µA
INTRC
VDD=5.5V
VDD=3V,
IDD
VDD
SCL=SDA=3V,
0.35
0.8
µA
Output=OPEN
32KOUT=OFF mode*
1
VDETH
Supply Voltage Monitoring
VDD
Topt=–30 to +70˚C
1.90
2.10
2.30
V
Voltage (“H”)
VDETL
Supply Voltage Monitoring
VDD
Topt=–30 to +70˚C
1.45
1.60
1.80
V
Voltage (“L”)
CG
Internal Oscillation Capacitance 1 OSCIN
12
pF
CD
Internal Oscillation Capacitance 2 OSCOUT
12
Unless otherwise specified : Vss=0V,VDD=3V,Topt=–40 to +85˚C
*1) For standby current for outputting 32.768-kHz clock pulses from the 32KOUT pin, see “USAGES, 7. Typical Characteristics”.


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