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DS1345Y/AB
ABSOLUTE MAXIMUM RATINGS
Voltage on Any Pin Relative to Ground
Operating Temperature Range
Commercial:
Industrial:
Storage Temperature Range
Lead Temperature (soldering, 10s)
Soldering Temperature (reflow)
-0.3V to +6.0V
0°C to +70°C
-40°C to +85°C
-55°C to +125°C
+260°C
+260°C
This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operation sections of this
specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability.
RECOMMENDED DC OPERATING CONDITIONS
(T A : See Note 10)
PARAMETER
DS1345AB Power Supply Voltage
DS1345Y Power Supply Voltage
Logic 1
Logic 0
SYMBOL
V CC
V CC
V IH
V IL
MIN
4.75
4.5
2.2
0.0
TYP
5.0
5.0
MAX
5.25
5.5
V CC
0.8
UNITS
V
V
V
V
NOTES
DC ELECTRICAL CHARACTERISTICS (V CC = 5V ± 5% for DS1345AB)
(T A : See Note 10) (V CC = 5V ± 10% for DS1345Y)
PARAMETER
Input Leakage Current
I/O Leakage Current CE ≥ V IH ≤ V CC
Output Current @ 2.4V
Output Current @ 0.4V
Standby Current CE = 2.2V
Standby Current CE = V CC -0.5V
SYMBOL
I IL
I IO
I OH
I OL
I CCS1
I CCS2
MIN
-1.0
-1.0
-1.0
2.0
TYP
200
50
MAX
+1.0
+1.0
600
150
UNITS
μ A
μ A
mA
mA
μ A
μ A
NOTES
14
14
Operating Current
I CCO1
85
mA
Write Protection Voltage (DS1345AB)
Write Protection Voltage (DS1345Y)
V TP
V TP
4.50
4.25
4.62
4.37
4.75
4.5
V
V
CAPACITANCE
(T A = +25 ° C)
PARAMETER
Input Capacitance
Input/Output Capacitance
SYMBOL
C IN
C I/O
MIN
TYP
5
5
MAX
10
10
UNITS
pF
pF
NOTES
4 of 10
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