R2023K datasheet(46/50 Pages) RICOH

Part #	R2023K

Description	2-wire Serial Interface Real Time Clock IC

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Manufacturer	RICOH [RICOH electronics devices division]

Direct Link	http://www.ricoh.com

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46 / 50 page

R2023K/T

46

Oscillation Frequency Deviation vs. External CF, CD

Oscillation Frequency Deviation vs. Supply Voltage

(VDD=3v, Topt=25

°C, CGout=CDout=0pF as standard)

(Topt=25

°C,VDD=3v as standard)

-100

-90

-80

-70

-60

-50

-40

-30

-20

-10

0

5

10

15

20

External CG (pF)

-5

-4

-3

-2

-1

0

1

2

3

4

5

01

234

56

Supply Voltage VDD (v)

Oscillation Frequency Deviation vs.

VOL vs. IOL (SCL pin)

Operating Temperature

(Topt=25

°C)

(VDD=3V, Topt=25

°C as standard)

-120

-100

-80

-60

-40

-20

0

20

-60 -40 -20 0

20 40 60 80 10

0

Operating TemperatureTopt(Celsius)

0

5

10

15

20

25

30

0

0.1

0.2

0.3

0.4

0.5

VOL (v)

VOL vs. IOL ( INTRA , INTRB pin)

(Topt=25

°C)

0

5

10

15

20

25

30

0

0.1

0.2

0.3

0.4

0.5

VOL(v)

VDD=5v

VDD=3v

VDD=5v

VDD=3v

VDD=1.5v

VDD=1.7v

CDout=0pF

CDout=5pF

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R2023K Datasheet(PDF) 46 Page - RICOH electronics devices division

R2023K Datasheet(HTML) 46 Page - RICOH electronics devices division

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