參數資料
型號: R2051K
英文描述: real-time clock ICs
中文描述: 實時時鐘IC
文件頁數: 5/53頁
文件大?。?/td> 343K
代理商: R2051K
R2051 Series
12345
Rev.1.04 - 5 -
I
DC ELECTRICAL CHARACTERISTICS
G
R2051K01
(Unless otherwise specified: VSS=0V,VCC=VSB=3.0V, 0.1uF between VDD and VSS, CIN and VSS,
Topt=-40 to +85
°
C)
Symbol
Item
Pin Name
VIH
“H” Input Voltage
SCL,SDA
Conditions
Min.
0.8x
VCC
-0.3
Typ.
Max.
5.5
Unit
V
VIL
“L” Input Voltage
0.2x
VCC
-0.5
IOH
“H” Output
Current
“L” Output
Current
CLKOUT
VOH=VCC-0.5V
mA
IOL1
IOL2
IOL4
IOL3
CLKOUT
/INTR
SDA
/VDCC
0.5
2.0
3.0
0.5
VOL=0.4V
VDD,VSB,VCC=2.0V
VOL=0.4V
VI=5.5V or VSS
mA
IIL
Input Leakage
Current
Output Off-state
Current 1
Output Off-state
Current 2
Time Keeping Current
at Backup mode
Leakage Current of
Backup pin at
VCC_on
Supply Voltage
Monitoring Voltage “H”
Supply Voltage
Monitoring Voltage “L”
Detector Threshold
Voltage
(falling edge of VCC)
Detector Released
Voltage (rising edge of
VCC)
Detector Threshold
and Released Voltage
Temperature
coefficient
VDD Output
Voltage 1
VDD Output
Voltage 2
Internal Oscillation
Capacitance 1
Internal Oscillation
Capacitance 2
*1) Guaranteed by design.
SCL
-1.0
1.0
μ
A
IOZ1
SDA
VO=5.5V or VSS
-1.0
1.0
μ
A
IOZ2
/INTR,
/VDCC
VSB
VO=5.5V or VSS
VCC=0V, VSB=3.0V,
VDD, Output=OPEN
VCC=3.0V,
VSB=5.5V or 0V,
VDD, Output=OPEN
Topt=25
°
C
-1.0
1.0
μ
A
ISB
0.4
1.0
μ
A
ISBL
VSB
-1.00
1.00
μ
A
VDETH
VSB
VDD
VCC
1.90
2.10
2.30
V
V
VDETL
Topt=25
°
C
1.20
1.35
1.50
-VDET1
Topt=25
°
C
2.34
2.40
2.46
V
+VDET1
VCC
Topt=25
°
C
2.44
2.52
2.60
V
VDET
Topt
VCC,
VSB
Topt=-40 to 85
°
C
*1)
±
100
ppm
/
°
C
VDD
OUT1
VDD
OUT2
CG
VDD
Topt=25
°
C, VCC=3.0V,
Iout=1.0mA
Topt=25
°
C, VCC=2.0V,
VSB=3.0V, Iout=0.1mA
VCC
-0.12
VSB
-0.08
VCC
-0.04
VSB
-0.02
10
V
VDD
V
OSCIN
CD
OSCOUT
10
pF
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相關代理商/技術參數
參數描述
R2051K01-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
R2051K02-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
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