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ISL12059 Datasheet(PDF) 3 Page - Renesas Technology Corp

Part No. ISL12059
Description  Low Cost and Low Power I2C Bus Real Time Clock/Calendar Low Power and Low Cost RTC
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Maker  RENESAS [Renesas Technology Corp]
Homepage  http://www.renesas.com
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ISL12059 Datasheet(HTML) 3 Page - Renesas Technology Corp

 
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ISL12059
FN6757 Rev 0.00
Page 3 of 11
Jun 15, 2009
Absolute Maximum Ratings
Thermal Information
Voltage on VDD Pin (respect to GND) . . . . . . . . . . . . . . . -0.2V to 4V
Voltage on FT/OUT, SCL and SDA Pins
(respect to GND) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.2V to 6V
Voltage on X1 and X2 Pins (respect to GND) . . . . . . . . . -0.2V to 4V
ESD Rating ((Per MIL-STD-883 Method 3014)
Human Body Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .>4kV
Machine Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .>350V
Thermal Resistance (Typical, Note 1)
JA (°C/W)
8 Lead SOIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
120
Storage Temperature Range . . . . . . . . . . . . . . . . . .-65°C to +150°C
Pb-Free Reflow Profile. . . . . . . . . . . . . . . . . . . . . . . . .see link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and
result in failures not covered by warranty.
NOTE:
1.
JA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
DC Operating Characteristics – RTC Temperature = -40°C to +85°C unless otherwise stated.
SYMBOL
PARAMETER
CONDITIONS
MIN
(Note 4)
TYP
(Note 3)
MAX
(Note 4)
UNITS
NOTES
VDD
Main Power Supply
1.8
3.6
V
VDDT
Timekeeping Power Supply
1.4
1.8
V
IDD1
Standby Supply Current
VDD = 3.6V
600
950
nA
2, 8
VDD = 3.0V
500
nA
IDD2
Timekeeping Current
VDD = 1.8V
400
650
nA
2, 8
VDD = 1.4V
350
nA
IDD3
Supply Current With I2C Active at
Clock Speed of 400kHz
VDD = 3.6V
15
40
µA
2
ILI
Input Leakage Current on SCL
-100
100
nA
ILO
I/O Leakage Current on SDA
-100
100
nA
FT/OUT
VOL
Output Low Voltage
VDD = 1.8V, IOL = 3mA
0.4
V
Serial Interface Specifications Over the recommended operating conditions unless otherwise specified.
SYMBOL
PARAMETER
TEST CONDITIONS
MIN
(Note 4)
TYP (Note 3)
MAX
(Note 4)
UNITS NOTES
SERIAL INTERFACE SPECS
VIL
SDA and SCL Input Buffer LOW
Voltage
-0.3
0.3 x VDD
V
VIH
SDA and SCL Input Buffer HIGH
Voltage
0.7 x VDD
5.5
V
Hysteresis SDA and SCL Input Buffer
Hysteresis
0.04 x VDD
V
VPULLUP Maximum Pull-up Voltage on SDA
during I2C Communication
VDD+2
V
7
VOL
SDA Output Buffer LOW Voltage,
Sinking 3mA
VDD > 1.8V, VPULLUP = 5.0V
0
0.4
V
Cpin
SDA and SCL Pin Capacitance
TA = +25°C, f = 1MHz, VDD = 5V,
VIN = 0V, VOUT = 0V
10
pF
5, 6
fSCL
SCL Frequency
400
kHz
tIN
Pulse width Suppression Time at
SDA and SCL Inputs
Any pulse narrower than the max
spec is suppressed
50
ns


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