RV5C387A datasheet(38/42 Pages) RICOH

Part #	RV5C387A

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

PDF	42 Pages

Scroll/Zoom	100%

Manufacturer	RICOH [RICOH electronics devices division]

Direct Link	http://www.ricoh.com

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38 / 42 page

RV5C387A

PRELIMINARY

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Oscillation Frequency Deviation vs. External CG

Oscillation Frequency Deviation vs. Supply Voltage

(VDD=3v,Topt=25

°C,

(Topt=25

°C,VDD=3v as standard)

External CG=0pF as standard)

-40

-35

-30

-25

-20

-15

-10

-5

0

5

10

0

5

10

15

20

External CG (pF)

-5

-4

-3

-2

-1

0

1

2

3

4

5

0

1

2

3

4

5

6

Supply Voltage VDD(v)

Oscillation Frequency Deviation vs. Operating Temperature

Oscillation Start Time vs. Supply Voltage

(VDD=3v, Topt=25

°C standard)

(Topt=25

°C)

-140

-120

-100

-80

-60

-40

-20

0

20

-60 -40 -20 0

20 40 60 80 10

0

Operating Temperature Topt(

°C)

0

100

200

300

400

500

0

1

2

3

4

5

6

Supply Voltage VDD(v)

VOL vs. IOL

(SDA, /INTRA, /INTRB, and /INTRC Pin)

(32KOUT Pin)

(Topt=25

°C)

(Topt=25

°C)

0

5

10

15

20

25

30

0

0.2

0.4

0.6

0.8

1

VOL (v)

0

2

4

6

8

10

0

0.2

0.4

0.6

0.8

1

VOL (v)

VDD=5v

VDD=3v

VDD=5v

VDD=3v

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RV5C387A Datasheet(PDF) 38 Page - RICOH electronics devices division

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