DS1236
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ABSOLUTE MAXIMUM RATINGS*
Voltage on V
CC
Pin Relative to Ground -0.5V to +7.0V
Voltage on I/O Relative to Ground -0.5V to V
CC
+ 0.5V
Voltage on IN Pin Relative to Ground -3.5V to V
CC
+ 0.5V
Operating Temperature 0°C to 70°C
Operating Temperature (Industrial Version) -40°C to +85°C
Storage Temperature -55°C to +125°C
Soldering Temperature 260°C for 10 seconds
*
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 (0°C to 70°C)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Supply Voltage V
CC
4.5 5.0 5.5 V 1
Supply Voltage (5% Option) V
CC
4.75 5.0 5.5 V 1
Input High Level V
IH
2.0 V
CC
+0.3 V 1
Input Low Level V
IL
-0.3 +0.8 V 1
IN Input Pin V
IN
-0.3 V
CC
+0.3 V 1
Battery Input V
BAT
2.7 4.0 V 1
DC ELECTRICAL CHARACTERISTICS (0°C to 70°C; V
CC
= 4.5V to 5.5V)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Supply Current I
CC
4 mA 2
Sleep Supply Current in Sleep
mode
I
CC
20
μA
Battery Current I
BAT
0.1
μA
2
Supply Output Current
(V
CCO
=V
CC
- 0.3V)
I
CC01
100 mA 3
Supply Output Current in Data
Retention (V
CC
< V
BAT
)
I
CC02
1 mA 4
Supply Output Voltage V
CCO
V
CC
-0.3 V 1
Battery Backup Voltage V
CCO
V
BAT
-0.7 V 1, 6
Low Level @ RST V
OL
0.4 V 1
Output Voltage @ -500 μA
V
OH
V
CC
-0.5V V
CC
-0.1V V 1
CEO and PF Output
V
OHL
V
BAT
-0.7 V 1, 6
PBRST Pull-up Resist
R
PBRST
10k Ohms
Input Leakage Current I
LI
-1.0 +1.0
μA
18
Output Leakage Current I
LO
-1.0 +1.0
μA
18
Output Current @ 0.4V I
OL
4.0 mA 12
