DS1212 Ver la hoja de datos (PDF) - Dallas Semiconductor -> Maxim Integrated
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DS1212 Datasheet PDF : 7 Pages
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ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
-0.3V to +7.0V
0°C to 70°C
-55°C to +125°C
260°C for 10 seconds
DS1212
* 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
PARAMETER
SYMBOL MIN
TYP
Pin 3 = GND Supply Voltage
Pin 3 = VCCO Supply Voltage
Logic 1 Input
Logic 0 Input
Battery Input
VCCI
VCCO
VIH
VIL
VBAT1,
VBAT2
4.75
5.0
4.5
5.0
2.2
-0.3
2.0
MAX
5.5
5.5
VCC+0.3
+0.8
4.0
(0°C to 70°C)
UNITS NOTES
V
1
V
1
V
1
V
1
V
1, 2
(0°C to 70°C; VCCI = 4.75 to 5.5V PIN 3 = GND)
(0°C to 70°C; VCCI = 4.5 to 5.5V, PIN 3 = VCCO)
DC ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL MIN
TYP MAX UNITS NOTES
Supply Current
ICCI
Supply Current @
ICCO1
VCCO= VCCI-0.2
Input Leakage
IIL
-1.0
Output Leakage
ILO
-1.0
CE0 - CE15 , PF Output @ 2.4V
IOH
-1.0
5
mA
3
80
mA 1, 4 ,10
+1.0
µA
+1.0
µA
mA
5
CE0 - CE15 , PF Output @ 0.4V
IOL
4.0
mA
5
VCC Trip Point (TOL=GND)
VCCTP
4.50
4.62
4.74
V
1
VCC Trip Point (TOL=VCCO)
VCCTP
4.25
4.37
4.49
V
1
PARAMETER
CE0 -CE15 Output
Battery Current
Battery Backup Current
@ VCCO = VBAT1 – 0.5V
SYMBOL
VOHL
IBAT
ICC2
MIN
VBAT-0.2
(0°C to 70°C; VCCI < VBAT)
TYP MAX UNITS NOTES
V
3, 7
0.1
µA
2, 3
100
µA 6, 10, 11
4 of 7
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