DS1244W-120 DALLAS [Dallas Semiconductor], DS1244W-120 Datasheet - Page 8

• Manufacturer Part Number: DS1244W-120
• Description: 256k NV SRAM with Phantom Clock
• Manufacturer: DALLAS [Dallas Semiconductor]

ABSOLUTE MAXIMUM RATINGS*
Voltage Range on Any Pin Relative to Ground
Storage Temperature Range
Soldering Temperature Range
OPERATING RANGE
Commercial
Industrial
*This is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated in the operation
RECOMMENDED DC OPERATING CONDITIONS
Input Logic 1
Input Logic 0
DC ELECTRICAL CHARACTERISTICS
Input Leakage Current
I/O Leakage Current
Output Current at 2.4V
Output Current at 0.4V
Standby Current CE = 2.2V
Standby Current
Operating Current t
Write Protection Voltage
Battery Switchover Voltage
CE ³ V
CE = V
sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods of time can affect reliability.
RANGE
IH
CC
PARAMETER
PARAMETER
≤ V
- 0.5V
CC
V
V
V
V
CC
CC
CC
CC
TEMP RANGE
-40°C to +85°C
CYC
0°C to +70°C
= 5V ±10%
= 3.3V ±10%
= 5V ±15%
= 3.3V ±10%
= 70ns
SYMBOL
SYMBOL
I
I
3.3V ± 10% or 5V ± 10%
3.3V ± 10% or 5V ± 10%
I
V
V
I
CCS1
CCS2
CC01
I
I
I
OH
OL
IO
IL
SO
PF
V
V
IH
IL
V
MIN
CC
4.25
-1.0
-1.0
-1.0
MIN
2.0
8 of 19
-0.3
-0.3
2.2
2.0
-0.3V to +6.0V
-40ºC to +85ºC
See IPC/JEDEC J-STD-020A (DIP)
(Note 13)
V
TYP
TYP
4.37
3.0
BAT
5
V
V
Over the operating range (5V)
CC
MAX
CC
MAX
+1.0
+1.0
4.50
0.8
0.6
5.0
10
85
+ 0.3V
Over the operating range
+ 3V
UNITS
UNITS
mA
mA
mA
mA
mA
m A
m A
V
V
V
V
NOTES
NOTES
11
11
12
11
11