DS1212
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ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground -0.3V to +7.0V
Operating Temperature 0°C to 70°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
Pin 3 = GND Supply Voltage V
CCI
4.75 5.0 5.5 V 1
Pin 3 = V
CCO
Supply Voltage V
CCO
4.5 5.0 5.5 V 1
Logic 1 Input V
IH
2.2 V
CC
+0.3 V 1
Logic 0 Input V
IL
-0.3 +0.8 V 1
Battery Input V
BAT1
,
V
BAT2
2.0 4.0 V 1, 2
(0°C to 70°C; V
CCI
= 4.75 to 5.5V PIN 3 = GND)
(0°C to 70°C; V
CCI
= 4.5 to 5.5V, PIN 3 = V
CCO
)
DC ELECTRICAL CHARACTERISTICS
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Supply Current I
CCI
5mA3
Supply Current @
V
CCO
= V
CCI
-0.2
I
CCO1
80 mA 1, 4 ,10
Input Leakage I
IL
-1.0 +1.0 µA
Output Leakage I
LO
-1.0 +1.0 µA
CE0 - CE15 , PF Output @ 2.4V
I
OH
-1.0 mA 5
CE0 - CE15 , PF Output @ 0.4V
I
OL
4.0 mA 5
V
CC
Trip Point (TOL=GND) V
CCTP
4.50 4.62 4.74 V 1
V
CC
Trip Point (TOL=V
CCO
)V
CCTP
4.25 4.37 4.49 V 1
(0°C to 70°C; V
CCI
< V
BAT
)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
CE0 -CE15 Output
V
OHL
V
BAT
-0.2 V 3, 7
Battery Current I
BAT
0.1 µA 2, 3
Battery Backup Current
@ V
CCO
= V
BAT1
– 0.5V
I
CC2
100 µA 6, 10, 11
