DS1321 Maxim, DS1321 Datasheet - Page 6

• Manufacturer Part Number: DS1321
• Description: The DS1321 Flexible Nonvolatile Controller with Lithium Battery Monitor is a CMOS circuit which solves the application problem of converting CMOS SRAMs into nonvolatile memory
• 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
DC ELECTRICAL CHARACTERISTICS
PARAMETER
Supply Voltage TOL=GND
Supply Voltage TOL=V
Battery Supply Voltage
Logic 1 Input
Logic 0 Input
PARAMETER
Operating Current (TTL inputs)
Operating Current (CMOS inputs)
RAM Supply Voltage
RAM Supply Current
Supply Current
V
V
V
Output Current @ 2.2V
Output Current @ 0.4V
Input Leakage
Output Leakage
Battery Monitoring Test Load
PARAMETER
Battery Current
Battery Backup Current
Supply Voltage
CEO
(V
(V
CC
CC
BAT
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.
CCO
CCO
Trip Point (TOL=GND)
Trip Point (TOL=V
Output
Trip Point
³ V
³ V
CCI
CCI
-0.2V)
-0.3V)
CCO
CCO
)
SYMBOL
SYMBOL
SYMBOL
V
V
V
V
I
I
I
V
V
V
V
V
R
I
I
I
V
CCO1
CCO2
CCO3
V
I
I
I
BAT
CC1
CC2
CCTP
CCTP
I
BAT
CCO
OH
CCO
OHL
OL
LO
BTP
INT
CCI
CCI
IL
IH
IL
6 of 12
V
V
MIN
MIN
MIN
V
4.75
4.50
4.25
2.50
-0.3
-0.2
-1.0
-1.0
BAT
BAT
4.5
2.0
2.0
0.8
-1
CC1
-0.2
-0.2
(-40°C to +85°C; V
-0.5V to +7.0V
-40°C to +85°C
-55°C to +125°C
260°C for 10 seconds
TYP
TYP
TYP
4.62
4.37
100
5.0
5.0
3.0
2.6
1.2
1
(-40°C to +85°C; V
V
MAX
MAX
MAX
CCI
+0.8
+1.0
+1.0
4.75
4.50
2.70
150
185
260
100
500
5.5
5.5
6.0
1.5
1.5
4
+0.3
CCI
< V
(-40°C to +85°C)
UNITS
UNITS
UNITS
BAT
MΩ
mA
mA
mA
mA
mA
µA
µA
µA
µA
nA
V
V
V
V
V
V
V
V
V
V
V
; V
CCI
CCI
³ V
< V
NOTES
NOTES
NOTES
7, 10
1, 12
1, 12
7, 10
CCTP
2, 5
1, 8
CCTP
1
1
1
2
1
3
4
1
1
1
2
6
1
)
)