參數(shù)資料
型號: R2051K01
廠商: RICOH COMPANY LTD
元件分類: 時鐘/數(shù)據(jù)恢復(fù)及定時提取
英文描述: 0 TIMER(S), REAL TIME CLOCK, QCC12
封裝: 2 X 2 MM, 0.85 MM PITCH, ULTRA-COMPACT, FFP, 12 PIN
文件頁數(shù): 42/53頁
文件大?。?/td> 343K
代理商: R2051K01
R2051 Series
12345
Rev.1.04
- 47 -
l
Frequency deviation (
f/f0) vs. Supply voltage (VSB/VCC)
(Topt=25
°C) VCC/VSB=3V as standard
Test circuit
-4
-3
-2
-1
0
1
2
0
1
2
3
4
5
6
VCC/VSB(v)
Frequency
deviation
d
f/f0(ppm)
Frequency
counter
0.1
F
0.1
F
VCC
VSB
VDD
CIN
VSS
OSCIN
OSCOUT
/INTR
/VDCC
CLKOUT
SCL
SDA
l
Frequency deviation (
f/f0) vs. CGOUT
(Topt=25
°C, VCC=3V)CGOUT=0pF as standard
Test circuit
-40
-30
-20
-10
0
10
0
5
10
15
20
CGOUT(pF)
Frequency
deviation
df/f0(ppm)
0.1
F
0.1
F
Frequency
counter
VCC
VSB
VDD
CIN
VSS
OSCIN
OSCOUT
/INTR
/VDCC
CLKOUT
SCL
SDA
l
Detector threshold voltage (+VDET1/-VDET1) vs. Operating temperature (Topt)
(VSB=3V)
(R2051K01)
(R2051K02)
2.3
2.4
2.5
2.6
-50
-25
0
25
50
75
100
perating temperature Topt(Celsius)
Detector
threshold
voltage
±VDET1(V)
2.7
2.8
2.9
3
-50
-25
0
25
50
75
100
perating temperature Topt(Celsius)
Detector
threshold
voltage
±VDET1(V)
+VDET1
-VDET1
+VDET1
-VDET1
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R2051S01-E2 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:2 wire interface Real-Time Clock ICs with Battery Backup switch-over Function
R2051S02-E2 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:2 wire interface Real-Time Clock ICs with Battery Backup switch-over Function
R2051S03-E2 制造商:RICOH 制造商全稱:RICOH electronics devices division 功能描述:2 wire interface Real-Time Clock ICs with Battery Backup switch-over Function