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

Part # R2023K
Description  2-wire Serial Interface Real Time Clock IC
PDF  50 Pages
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Manufacturer  RICOH [RICOH electronics devices division]
Direct Link  http://www.ricoh.com
Logo RICOH - RICOH electronics devices division

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

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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
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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