RV5C387A-E2 datasheet(37/42 Pages) RICOH | I2C-bus Real-Time Clock ICs with Voltage Monitoring Function?

Part #	RV5C387A-E2

Description	I2C-bus Real-Time Clock ICs with Voltage Monitoring Function?

Download	42 Pages

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Manufacturer	RICOH [RICOH electronics devices division]

Direct Link	http://www.ricoh.com

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37 / 42 page

PRELIMINARY

RV5C387A

12345

- 37 -

14.7.

Typical Characteristics

Test Circuit

Frequency

Counter

VDD

OSCIN

OSCOUT

32KOUT

VSS

32768Hz

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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RV5C387A-E2 Datasheet(PDF) 37 Page - RICOH electronics devices division

RV5C387A-E2 Datasheet(HTML) 37 Page - RICOH electronics devices division

Similar Part No. - RV5C387A-E2

Similar Description - RV5C387A-E2

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