Datasheet

DS1220AB/AD
3 of 8
ABSOLUTE MAXIMUM RATINGS
Voltage on Any Pin Relative to Ground -0.3V to +6.0V
Operating Temperature Range
Commercial: 0°C to +70°C
Industrial: -40°C to +85°C
Storage Temperature -40°C to +85°C
Lead Temperature (soldering, 10s) +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
V
CC
4.75
5.0
5.25
V
DS1220AD Power Supply Voltage
V
CC
4.50
5.0
5.50
V
Logic 1
V
IH
2.2
V
CC
V
Logic 0
V
IL
0.0
+0.8
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
IL
-1.0
+1.0
µA
I/O Leakage Current
CE
≥ V
IH
≤ V
CC
I
IO
-1.0
+1.0
µA
Output Current @ 2.4V
I
OH
-1.0
mA
Output Current @ 0.4V
I
OL
2.0
mA
Standby Current
CE
= 2.2V
I
CCS1
5.0 10.0 mA
Standby Current
CE
=
V
CC
-0.5V
I
CCS2
3.0 5.0 mA
Operating Current
(Commercial)
I
CC01
75 mA
Operating Current
(Industrial)
I
CCO1
85 mA
Write Protection Voltage
(DS1220AB)
V
TP
4.5 4.62 4.75 V
Write Protection Voltage
(DS1220AD)
V
TP
4.25 4.37 4.5 V
CAPACITANCE (T
A
= +25°C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Input Capacitance
C
IN
5
10
pF
Input/Output Capacitance
C
I/O
5
12
pF