DS1312 Maxim, DS1312 Datasheet - Page 5

• Manufacturer Part Number: DS1312
• Description: The DS1312 Nonvolatile Controller with Battery Monitor is a CMOS circuit which solves the application problem of converting CMOS RAM 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 (-40°C to +85°C; V
PARAMETER
Supply Voltage TOL=GND
Supply Voltage TOL=VCCO
Battery Supply Voltage
Logic 1 Input
Logic 0 Input
PARAMETER
Operating Current (TTL inputs)
Operating Current (CMOS inputs)
RAM Supply Current
RAM Supply Current
V
V
V
V
Output Current @ 2.4V
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
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.
CCO
CCO
/V
Trip Point (TOL=GND)
Trip Point (TOL=V
Output
Trip Point
BAT
³ V
³ V
Switch Point
CCI
CCI
-0.2V)
-0.3V)
CCO
)
SYMBOL
SYMBOL
SYMBOL
V
V
V
I
I
I
V
V
V
V
V
R
V
I
I
I
V
CCO1
CCO1
CCO2
V
I
I
I
BAT
CC1
CC2
CCTP
CCTP
I
BAT
OH
CCO
OHL
OL
LO
BTP
INT
CCI
CCI
SW
IL
IH
IL
5 of 11
V
V
MIN
MIN
MIN
4.75
4.50
4.25
-0.3
-1.0
-1.0
BAT
BAT
4.5
2.0
2.0
2.5
2.6
0.8
-1
-0.2
-0.2
-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
200
5.0
5.0
2.6
2.7
1.2
50
(-40°C to +85°C; V
V
MAX
MAX
MAX
CCI
+0.8
+1.0
+1.0
4.75
4.50
400
100
140
200
100
500
5.5
5.5
6.0
2.7
2.8
1.5
4
+0.3
CCI
< V
(-40°C to +85°C)
UNITS
UNITS
UNITS
BAT
MΩ
mA
mA
mA
mA
µA
µA
µA
µA
µA
nA
V
V
V
V
V
V
V
V
V
V
V
; V
CCI
CCI
>V
NOTES
NOTES
NOTES
< V
7, 10
1, 12
1, 12
7, 10
2, 5
1, 8
CCTP
1
1
1
2
3
4
1
1
1
1
2
6
1
SW
)
)