DS1212 Datasheet, PDF (4/7 Pages) Dallas Semiconductor – Nonvolatile Controller x 16 Chip

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 = V_CCO Supply Voltage
Logic 1 Input
Logic 0 Input
Battery Input
V_CCI
V_CCO
V_IH
V_IL
V_BAT1,
V_BAT2
4.75
5.0
4.5
5.0
2.2
-0.3
2.0
MAX
5.5
5.5
V_CC+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; 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
Supply Current @
I_CCO1
V_CCO= V_CCI-0.2
Input Leakage
I_IL
-1.0
Output Leakage
I_LO
-1.0
CE0 - CE15 , PF Output @ 2.4V
I_OH
-1.0
5
mA
3
80
mA 1, 4 ,10
+1.0
µA
+1.0
µA
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
PARAMETER
CE0 -CE15 Output
Battery Current
Battery Backup Current
@ V_CCO = V_BAT1 – 0.5V
SYMBOL
V_OHL
I_BAT
I_CC2
MIN
V_BAT-0.2
(0°C to 70°C; V_CCI < V_BAT)
TYP MAX UNITS NOTES
V
3, 7
0.1
µA
2, 3
100
µA 6, 10, 11
4 of 7