Datasheet

DS1225AB/AD
3 of 9
ABSOLUTE MAXIMUM RATINGS
Voltage on Any Pin Relative to Ground -0.3V to +6.0V
Operating Temperature
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
DS1225AB Power Supply Voltage
V
CC
4.75
5.0
5.25
V
DS1225AD Power Supply Voltage
V
CC
4.50
5.0
5.5
V
Logic 1
V
IH
2.2
V
CC
V
Logic 0
V
IL
0.0
+0.8
V
(T
A
: See Note 10)
(V
CC
=5V ± 5% for DS1225AB)
DC ELECTRICAL CHARACTERISTICS (V
CC
=5V ± 10% for DS1225AD)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Input Leakage Current
I
IL
-1.0 +1.0
µ
A
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
CC01
85 mA
Write Protection Voltage
(DS1225AB)
V
TP
4.50 4.62 4.75 V
Write Protection Voltage
(DS1225AD)
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
10
pF