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

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RV5C387A
4
ABSOLUTE MAXIMUM RATINGS
Symbol
Item
Conditions
Ratings
Unit
VDD
Supply Voltage
–0.3 to +6.5
V
VI
Input Voltage 2
SCL, SDA
–0.3 to +6.5
V
VO
Output Voltage
SDA, INTRA, INTRB
–0.3 to +6.5
V
INTRC, 32KOUT
PD
Power Dissipation
Topt=25˚C
300
mW
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
V
VCLK
Timekeeping Voltage
1.45
5.5
V
fXT
Oscillation Frequency
32.768
kHz
VPUP
Pull-up Voltage
SCL, SDA, INTRA, INTRB, INTRC, 32KOUT
5.5
V


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