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DS1245Y_10 Datasheet, PDF (4/10 Pages) Dallas Semiconductor – 1024k Nonvolatile SRAM
ABSOLUTE MAXIMUM RATINGS
Voltage on Any Pin Relative to Ground
Operating Temperature Range
Commercial:
Industrial:
Storage Temperature Range
EDIP
PowerCap
Lead Temperature (soldering, 10s)
Soldering Temperature (reflow, PowerCap)
Note: EDIP is wave or hand soldered only.
DS1245Y/AB
-0.3V to +6.0V
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
-55°C to +125°C
+260°C
+260°C
This is a stress rating only and functional operation of the device at these or any other conditions 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.
RECOMMENDED DC OPERATING CONDITIONS
PARAMETER
SYMBOL MIN TYP
DS1245AB Power Supply Voltage
VCC
4.75 5.0
DS1245Y Power Supply Voltage
VCC
4.5 5.0
Logic 1
VIH
2.2
Logic 0
VIL
0.0
(TA: See Note 10)
MAX UNITS NOTES
5.25
V
5.5
V
VCC
V
0.8
V
DC ELECTRICAL CHARACTERISTICS
(VCC = 5V ±5% for DS1245AB)
(TA: See Note 10) (VCC = 5V ±10% for DS1245Y)
PARAMETER
SYMBOL MIN TYP MAX UNITS NOTES
Input Leakage Current
IIL
-1.0
+1.0
µA
I/O Leakage Current CE ≥ VIH ≤ VCC
IIO
-1.0
+1.0
µA
Output Current @ 2.4V
IOH
-1.0
mA
Output Current @ 0.4V
IOL
2.0
mA
Standby Current CE =2.2V
ICCS1
200 600
µA
Standby Current CE =VCC-0.5V
ICCS2
50
150
µA
Operating Current
ICCO1
85
mA
Write Protection Voltage (DS1245AB)
VTP
4.50 4.62 4.75
V
Write Protection Voltage (DS1245Y)
VTP
4.25 4.37 4.5
V
CAPACITANCE
PARAMETER
Input Capacitance
Input/Output Capacitance
SYMBOL
CIN
CI/O
MIN
TYP
5
5
MAX
10
10
(TA = +25°C)
UNITS NOTES
pF
pF
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