參數(shù)資料
型號: R2023T
廠商: Ricoh Co., Ltd.
英文描述: 2-wire Serial Interface Real Time Clock IC
中文描述: 2線串行接口實時時鐘芯片
文件頁數(shù): 46/50頁
文件大小: 512K
代理商: R2023T
R2023K/T
Oscillation Frequency Deviation vs. External CF, CD
(V
DD
=3v, Topt=25
°
C, CGout=CDout=0pF as standard)
46
Oscillation Frequency Deviation vs. Supply Voltage
(Topt=25
°
C,V
DD
=3v as standard)
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
0
5
External CG (pF)
10
15
20
O
(
-5
-4
-3
-2
-1
0
1
2
3
4
5
0
1
2
3
4
5
6
Supply Voltage VDD (v)
O
(
Oscillation Frequency Deviation vs.
Operating Temperature
(V
DD
=3V, Topt=25
°
C as standard)
V
OL
vs. I
OL
(SCL pin)
(Topt=25
°
C)
-120
-100
-80
-60
-40
-20
0
20
-60 -40 -20 0
20 40 60 80 10
0
Operating TemperatureTopt(Celsius)
O
(
0
5
10
15
20
25
30
0
0.1
0.2
VOL (v)
0.3
0.4
0.5
I
V
OL
vs. I
OL
( 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)
I
VDD=5v
VDD=3v
V
DD
=5v
V
DD
=3v
V
DD
=1.5v
VDD=1.7v
CDout=0pF
CDout=5pF
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