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): 45/50頁
文件大?。?/td> 512K
代理商: R2023T
R2023K/T
Typical Characteristics <Under Constructing>
45
Test circuit
Frequency
Counter
VDD
OSCIN
OSCOUT
32KOUT
VSS
32768Hz
CDOUT
CGOUT
Timekeeping Current vs. Supply Voltage
(with no 32kHz clock output)
(Output=Open, Topt=25
°
C)
Timekeeping Current vs. Supply Voltage
(with 32kHz clock output)
(Output=Open, Topt=25
°
C)
0
0.2
0.4
0.6
0.8
1
0
1
2
3
4
5
6
Supply Vlotage VDD(v)
T
0
0.5
1
1.5
2
2.5
0
1
2
3
4
5
6
Supply Voltage VDD(v)
T
CPU Access Current vs. SCL Clock Frequency
(CLKC=V
SS
, Output pins=Open, Topt=25
°
C,
CGout=CDout=0pF)
Timekeeping Current vs. Operating Temperature
(V
DD
=3v, Output pins=Open, CGout=CDout=0pF)
0
10
20
30
40
0
100
SCL Clock Frequency (kHz)
200
300
400
500
C
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
-50
Operating Temperature Topt(Celcius)
-25
0
25
50
75
100
T
V
DD
=5v
V
DD
=3v
X’tal : 32.768kHz
Topt : 25
°
C
Output pins : Open
(R1=50k
typ)
(CL=6pF to 9pF)
(CGout, CDout)=(5pF, 5pF)
(CGout, CDout)=(0pF, 0pF)
(CGout, CDout)=(5pF, 5pF)
with 32kHz clock output
with no 32kHz clock output
(CGout, CDout)=(0pF, 0pF)
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參數(shù)描述
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