DS1220AB/AD
ABSOLUTE MAXIMUM RATINGS
Voltage on Any Pin Relative to Ground
Operating Temperature Range
Commercial:
Industrial:
Storage Temperature
Lead Temperature (soldering, 10s)
-0.3V to +6.0V
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
+260°C
Note: EDIP is wave or hand soldered only.
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
SYMBOL MIN TYP
MAX UNITS
NOTES
DS1220AB Power Supply Voltage
DS1220AD Power Supply Voltage
Logic 1
Logic 0
V CC
V CC
V IH
V IL
4.75
4.50
2.2
0.0
5.0
5.0
5.25
5.50
V CC
+0.8
V
V
V
V
DC ELECTRICAL CHARACTERISTICS
(T A : See Note 10)
(V CC = 5V ± 5% for DS1220AB)
(V CC = 5V ± 10% for DS1220AD)
PARAMETER
SYMBOL MIN TYP
MAX UNITS
NOTES
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
Operating Current
(Commercial)
Operating Current
(Industrial)
I IL
I IO
I OH
I OL
I CCS1
I CCS2
I CC01
I CCO1
-1.0
-1.0
-1.0
2.0
5.0
3.0
+1.0
+1.0
10.0
5.0
75
85
μ A
μ A
mA
mA
mA
mA
mA
mA
Write Protection Voltage
(DS1220AB)
Write Protection Voltage
(DS1220AD)
V TP
V TP
4.5
4.25
4.62
4.37
4.75
4.5
V
V
CAPACITANCE
(T A = +25°C)
PARAMETER
SYMBOL MIN TYP
MAX UNITS
NOTES
Input Capacitance
Input/Output Capacitance
C IN
C I/O
5
5
10
12
pF
pF
3 of 8
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