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R2051S01-E2-F Datasheet(PDF) 5 Page - RICOH electronics devices division

Part # R2051S01-E2-F
Description  High precision I2C-Bus Real-Time Clock Module
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Manufacturer  RICOH [RICOH electronics devices division]
Direct Link  http://www.ricoh.com
Logo RICOH - RICOH electronics devices division

R2051S01-E2-F Datasheet(HTML) 5 Page - RICOH electronics devices division

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R2025S/D
5
DC ELECTRICAL CHARACTERISTICS
Unless otherwise specified: VSS=0V,VDD=3V,Topt=-40 to +85
°C
Symbol
Item
Pin Name
Condition
Min.
Typ.
Max.
Unit
VIH
“H” Input Voltage
SCL,SDA,
CLKC
VDD=1.7 to 5.5V
0.8x
VDD
5.5
V
VIL
“L” Input Voltage
-0.3
0.2x
VDD
IOH
“H” Output
Current
32KOUT
VOH=VDD-0.5V
-0.5
mA
IOL1
“L” Output Current
32KOUT
VOL=0.4V
0.5
mA
IOL2
/INTRA,
/INTRB
1.0
IOL3
SDA
4.0
IIL
Input Leakage
Current
SCL
VI=5.5V or VSS
VDD=5.5V
-1.0
1.0
µA
ICLKC
Pull-down
Resistance Input
Current
CLKC
VI=5.5V
0.3
1.0
µA
IOZ
Output Off-state
Leakage Current
SDA,
/INTRA
/INTRB
VO=5.5V or VSS
VDD=5.5V
-1.0
1.0
µA
IDD1
Time Keeping
Current
VDD
VDD=3V,
SCL=SDA=3V,
Output = OPEN
CLKC=”L”
0.48
1.20
µA
IDD2
VDD
VDD=5V,
SCL=SDA=5V,
Output = OPEN
CLKC=”L”
0.60
1.80
µA
VDETH
Supply Voltage
Monitoring Voltage
(“H”)
VDD
Topt=-30 to +70
°C
1.90
2.10
2.30
V
VDETL
Supply Voltage
Monitoring Voltage
(“L”)
VDD
Topt=-30 to +70
°C
1.15
1.30
1.45
V


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