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RV5C387A Datasheet(PDF) 37 Page - RICOH electronics devices division

Part No. 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
Logo RICOH - RICOH electronics devices division

RV5C387A Datasheet(HTML) 37 Page - RICOH electronics devices division

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PRELIMINARY
RV5C387A
12345
- 37 -
14.7.
Typical Characteristics
Test Circuit
Frequency
Counter
VDD
OSCIN
OSCOUT
32KOUT
VSS
32768Hz
Timekeeping Current vs. Supply voltage
Timekeeping Current vs. Supply voltage
(with no 32-kHz clock output)
(with 32-kHz clock output)
(SCL,SDA=”H”, Output=Open, Topt=25
°C)
(SCL,SDA=”H”, Output=Open, Topt=25
°C)
0
0.2
0.4
0.6
0.8
1
0
1
2
3
4
5
6
Supply Voltage VDD(v)
0
0.5
1
1.5
2
0
1
2
3
4
5
6
Supply Voltage VDD(v)
CPU Access Current vs. SCL Clock Frequency
Timekeeping Current vs. Operating Temperature
(Output=Open,Topt=25
°C)
(with no 32-kHz clock output)
(SCL,SDA=Open, Output=Open, )
0
5
10
15
20
0
100
200
300
400
500
SCL Clock Frequency (kHz)
0
0.5
1
1.5
2
-60 -40 -20
0
20 40
60 80 100
Operating Temperature Topt(
°C)
VDD=5v
VDD=3v
X’tal: 32.768kHz
(R1=30k
Ω typ)
(CL=6pF to 8pF)
Topt: 25C
°
Output: Open


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