
DS1254
7 of 17
ABSOLUTE MAXIMUM RATINGS
Voltage Range on Any Pin Relative to Ground
-0.3V to +4.6V
Operating Temperature Range
0
C to +70C
Storage Temperature Range
-40
C to +70C
Soldering Temperature
See IPC/JEDEC J-STD-020
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
(TA = 0
C to +70C)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
NOTES
Power-Supply Voltage
VCC
3.0
3.3
3.7
V
1
Logic 1 Voltage (All Inputs)
VIH
2.0
VCC +
0.3
V
1
Logic 0 Voltage (All Inputs)
VIL
-0.3
0.6
V
1
DC ELECTRICAL CHARACTERISTICS
(VCC = 3.3V 10%, TA = 0
C to +70C.)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Input Leakage Current
IIL
-4.0
+4.0
A
I/O Leakage Current
IIO
-4.0
+4.0
A
Output Current at 2.4V
IOH
-1.0
mA
3
Output Current at 0.4V
IOL
2.0
mA
3
Standby Current (
CE = 2.2V)
ICCS1
5.0
7
mA
Standby Current (
CE = V
CC - 0.5V)
ICCS2
2.0
3.0
mA
Operating Current, tCYC = 100ns
ICCO1
50
mA
Write Protection Voltage
VPF
2.8
2.97
V
1
CAPACITANCE
(TA = +25
C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Input Capacitance: A0 to A18,
OE,
WE, CE
CIN
25
50
pF
Input Capacitance: A19 to A20
CIN
5
10
pF
I/O Capacitance: DQ0 to DQ7
CIO
25
50
pF
Output Capacitance:
BW
COUT
5
10
pF