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DS1218 Datasheet, PDF (2/4 Pages) Dallas Semiconductor – Nonvolatile Controller
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
-0.5V to +7.0V
0°C to 70°C
-55°C to +125°C
260°C for 10 seconds
DS1218
* 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
Supply
Logic 1
Logic 0
Battery Supply
VCCI
4.5
5.0
VIH
2.0
VIL
-0.3
VBAT
2.5
3.0
MAX
5.5
5.5
0.8
3.5
(0°C to 70°C)
UNITS NOTES
V
1
V
1
V
1
V
1
DC ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL MIN
Active Current
Battery Current
RAM Current
(VCCO1 ≥ VCCI -0.3V)
RAM Current
(VCCO ≥ VCCI -0.2V)
Input Leakage
CEO Output @ 2.4V
ICCI
IBAT
ICCO
ICCO
IIL
-1.0
IOH
-1.0
CEO Output @ 0.4V
IOL
VCC Trip Point
VCCTP
(0°C to 70°C; VCCI = 5V ± 10%)
TYP
MAX UNITS NOTES
2
5
mA
3
100
nA
3, 4
80
mA
5
70
mA
+1.0
µA
mA
4.0
mA
1.26XVBAT
CAPACITANCE
PARAMETER
Input Capacitance
Output Capacitance
SYMBOL
CIN
COUT
MIN
(tA = 25°C)
TYP
MAX UNITS NOTES
5
pF
7
pF
AC ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL MIN
CE Propagation Delay
tPD
Recovery at Power-up
VCC Slew Rate
CE Pulse Width
tREC
0.2
tF
500
tCE
(0°C to 70°C; VCC = 5.0V ± 10%)
TYP MAX UNITS NOTES
4
10
ns
2
2
ms
µs
1.5
µs
6, 7
2 of 4