DS1218 Maxim, DS1218 Datasheet - Page 2

• Manufacturer Part Number: DS1218
• Description: The DS1218 Nonvolatile Controller Chip supplies circuitry required to render standard CMOS RAM nonvolatile
• Manufacturer: Maxim

ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
* This is a stress rating only and functional operation of the device at these or any other conditions
RECOMMENDED DC OPERATING CONDITIONS
DC ELECTRICAL CHARACTERISTICS
CAPACITANCE
AC ELECTRICAL CHARACTERISTICS
PARAMETER
Supply
Logic 1
Logic 0
Battery Supply
PARAMETER
Active Current
Battery Current
RAM Current
(V
RAM Current
(V
Input Leakage
V
PARAMETER
Input Capacitance
Output Capacitance
PARAMETER
Recovery at Power-up
V
CEO
CEO
CE
CE
CC
CC
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.
CCO1
CCO
Propagation Delay
Pulse Width
Trip Point
Slew Rate
Output @ 2.4V
Output @ 0.4V
V
V
CCI
CCI
-0.2V)
-0.3V)
SYMBOL
SYMBOL
SYMBOL
SYMBOL
V
V
C
V
I
I
I
t
V
I
V
I
C
I
t
t
BAT
CCO
CCO
REC
I
CCTP
CCI
BAT
OH
OUT
t
OL
PD
CE
CCI
IL
F
IH
IN
IL
2 of 4
MIN
MIN
MIN
-0.3
-1.0
-1.0
4.5
2.0
2.5
MIN
500
0.2
-0.5V to +7.0V
0 C to 70 C
-55 C to +125 C
260 C for 10 seconds
1.26XV
TYP
TYP
TYP
(0 C to 70 C; V
TYP
5.0
3.0
70
2
(0 C to 70 C; V
4
BAT
MAX
MAX
MAX
MAX
1.5
+1.0
10
100
5.5
5.5
0.8
3.5
4.0
2
80
5
5
7
CC
UNITS
UNITS
UNITS
UNITS
CCI
mA
mA
mA
mA
mA
= 5.0V ± 10%)
nA
µA
ms
pF
pF
µs
µs
ns
V
V
V
V
(0 C to 70 C)
= 5V ± 10%)
(t
A
= 25°C)
NOTES
NOTES
NOTES
NOTES
3, 4
6, 7
DS1218
1
1
1
1
3
5
2