DS1254 Maxim, DS1254 Datasheet - Page 7

• Manufacturer Part Number: DS1254
• Description: The DS1254 is a fully nonvolatile static RAM (NV SRAM) (organized as 2M words by 8 bits) with built-in real-time clock
• Manufacturer: Maxim

ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground
Operating Temperature Range
Storage Temperature Range
Soldering Temperature
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only,
and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is
not implied. Exposure to the absolute maximum rating conditions for extended periods may affect device.
RECOMMENDED DC OPERATING CONDITIONS
(T
DC ELECTRICAL CHARACTERISTICS
(V
CAPACITANCE
(T
Power-Supply Voltage
Logic 1 Voltage (All Inputs)
Logic 0 Voltage (All Inputs)
Input Leakage Current
I/O Leakage Current
Output Current at 2.4V
Output Current at 0.4V
Standby Current (CE = 2.2V)
Standby Current (CE = V
Operating Current, t
Write Protection Voltage
Input Capacitance: A0 to A18, OE,
WE, CE
Input Capacitance: A19 to A20
I/O Capacitance: DQ0 to DQ7
Output Capacitance: BW
A
A
CC
= 0
= +25
= 3.3V 10%, T

C to +70
PARAMETER

C)
PARAMETER
PARAMETER

C)
A
CYC
= 0
= 100ns

C to +70
CC
- 0.5V)
SYMBOL

V
V
V
C.)
CC
IH
IL
SYMBOL
SYMBOL
I
C
I
I
CCS1
CCS2
CCO1
V
C
C
C
I
I
I
I
OH
OUT
OL
IO
IL
PF
IO
IN
IN
CONDITIONS
7 of 17
MIN
MIN
-4.0
-4.0
-1.0
2.0
2.8
MIN
-0.3
TYP
TYP
3.0
2.0
5.0
2.0
25
25
5
5
TYP
3.3
MAX
MAX
+4.0
+4.0
2.97
3.0
50
50
10
50
10
7
See IPC/JEDEC J-STD-020
V
MAX
3.7
0.3
0.6
CC
+
UNITS
UNITS
UNITS
mA
mA
mA
mA
mA
A
A
pF
pF
pF
pF
V
V
V
V
-40C to +70C
-0.3V to +4.6V
0C to +70C
NOTES
NOTES
NOTES
DS1254
3
3
1
1
1
1