參數(shù)資料
型號: RS5C348B-E2
廠商: RICOH COMPANY LTD
元件分類: XO, clock
英文描述: Real-Time Clock
中文描述: 0 TIMER(S), REAL TIME CLOCK, PDSO10
封裝: 6.40 X 3.50 MM, 1.25 MM HEIGHT, 0.5 MM PITCH, SSOP-10
文件頁數(shù): 45/53頁
文件大?。?/td> 452K
代理商: RS5C348B-E2
R
×
5C348A/B
42
X'tal:32.768kHz
(R
1
=30k
TYP.)
(C
L
=6pF to 8pF)
Topt:25C
Output Pins: open
Frequency
counter
R
×
5C348A/B
32.768kHz
OSCIN
OSCOUT
VDD
V
SS
32KOUT
Supply Voltage V
DD
(V)
0
1
0
0.2
0.4
0.6
0.8
1
2
3
4
5
6
T
D
(
μ
A
(CE=Open, Output=Open,
Topt=25C, RS5C348A)
Supply Voltage V
DD
(V)
T
D
(
μ
A
(CE=Open, Output=Open, Topt=25C)
0
1
0
0.5
1
1.5
2
2
3
4
5
6
R
×
5C348A
R
×
5C348B
SCLK Clock Frequency (kHz)
0
500
0
10
20
30
40
50
1000
1500
2000
C
D
(
μ
A
(Output=Open, Topt=25C)
V
DD
=5V
V
DD
=3V
Operating Temperature Topt(
C
)
–60 –40
0
0.5
1
1.5
2
–20
0
20
40
60
80
60
T
D
(
μ
A
(CE=Open, Output=Open, Topt=25C)
7. Typical Characteristics
Test Circuit
7.1 Timekeeping Current vs. Supply Voltage
(with no 32-kHz clock output)
7.2 Timekeeping Current vs. Supply Voltage
(with 32-kHz clock output)
7.3 CPU Access Current vs. SCLK Clock Frequency
7.4 Timekeeping Current vs. Operating Temperature
(with no 32-kHz clock output)
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