DS1251 Maxim, DS1251 Datasheet - Page 9

• Manufacturer Part Number: DS1251
• Description: The DS1251 4096K NV SRAM with Phantom Clock is a fully static nonvolatile RAM (organized as 512K words by 8 bits) with a built-in real-time clock
• Manufacturer: Maxim

DC ELECTRICAL CHARACTERISTICS
(T
Input Leakage Current
I/O Leakage Current
CE ≥ V
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
Battery Switchover Voltage
DC ELECTRICAL CHARACTERISTICS
(T
Input Leakage Current
I/O Leakage Current
CE ≥ V
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
Battery Switchover Voltage
CAPACITANCE
(T
Input Capacitance
Input/Output Capacitance
A
A
A
= Over the operating range.) (5V)
= Over the operating range.) (3.3V)
= +25°C)
IH
CC
IH
CC
≤ V
≤ V
- 0.5V
- 0.5V
CC
CC
P ARAMETER
0 B
P ARAMETER
1 B
P ARAMETER
2 B
CYC
CYC
= 70ns
= 70ns
SYMBOL
SYMBOL
SYMBOL
I
I
I
I
I
I
V
V
C
V
V
C
I
I
CCS1
CCS2
I
I
CCS1
CCS2
CC01
CC01
I
I
I
I
OH
OH
OL
OL
IO
IO
IL
IL
PF
SO
PF
SO
I/O
IN
9 of 20
MIN
MIN
MIN
2.80
4.25
-1.0
-1.0
-1.0
-1.0
-1.0
-1.0
2.0
2.0
V
TYP
TYP
TYP
V
4.37
BAT
V
3.0
2.0
5
BAT
5
5
5
PF
or
MAX
MAX
MAX
+1.0
+1.0
4.50
+1.0
+1.0
2.97
5.0
3.0
10
85
10
10
50
7
UNITS
UNITS
UNITS
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
µA
µA
µA
µA
pF
pF
V
V
6 B
V
V
7 B
NOTES
NOTES
NOTES
12
11
11
12
11
11