DS1249W_10 Datasheet, PDF (3/8 Pages) Dallas Semiconductor – 3.3V 2048kb Nonvolatile SRAM

ABSOLUTE MAXIMUM RATINGS
Voltage on Any Pin Relative to Ground
Operating Temperature Range
Commercial:
Industrial:
Storage Temperature Range
Lead Temperature (soldering, 10s)
Note: EDIP is wave or hand soldered only.
DS1249W
-0.3V to +4.6V
0°C to +70°C
-40°C to +85°C
-40°C to +85°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
Power-Supply Voltage
V_CC
3.0 3.3
Logic 1
V_IH
2.2
Logic 0
V_IL
0.0
(T_A: See Note 10)
MAX UNITS NOTES
3.6
V
V_CC
V
+0.4
V
DC ELECTRICAL CHARACTERISTICS
PARAMETER
SYMBOL
Input Leakage Current
I_IL
I/O Leakage Current CE ≥ V_IH ≤ V_CC
I_IO
Output Current at 2.2V
I_OH
Output Current at 0.4V
I_OL
Standby Current CE = 2.2V
I_CCS1
Standby Current CE = V_CC - 0.2V
I_CCS2
Operating Current
Write Protection Voltage
I_CCO1
V_TP
(T_A: See Note 10; V_CC = 3.3V ± 0.3V)
MIN TYP MAX UNITS NOTES
-2.0
+2.0
µA
-2.0
+2.0
µA
-1.0
mA
2.0
mA
150 250
µA
100 150
µA
50
mA
2.8 2.9
3.0
V
CAPACITANCE
PARAMETER
Input Capacitance
Input/Output Capacitance
SYMBOL
C_IN
C_I/O
MIN
TYP
10
10
MAX
20
20
(T_A = +25°C)
UNITS NOTES
pF
pF
3 of 8