DS1631-DS1731 DALLAS [Dallas Semiconductor], DS1631-DS1731 Datasheet - Page 5

• Manufacturer Part Number: DS1631-DS1731
• Description: High-Precision Digital Thermometer and Thermostat
• Manufacturer: DALLAS [Dallas Semiconductor]

EEPROM AC ELECTRICAL CHARACTERISTICS
Figure 2. TYPICAL OPERATING CURVES
Figure 3. TIMING DIAGRAM
All timing is referenced to 0.9 x V
-0.2
-0.4
-0.6
-0.8
0.8
0.6
0.4
0.2
EEPROM Write Cycle Time
EEPROM Writes
EEPROM Data Retention
0
0
PARAMETER
REFERENCE TEMPERATURE (°C)
10
-3 s
Mean
20
DS1631/DS1631A
+3 s
30
40
DD
SYMBOL
50
N
and 0.1 x V
t
EEDR
EEWR
t
wr
60
70
DD
-55°C to +55°C
-55°C to +55°C
CONDITION
5 of 14
(V
.
DD
= 2.7V to 5.5V; T
-0.2
-0.4
-0.6
-0.8
0.8
0.6
0.4
0.2
0
-10
-3 s
0
MIN
50k
10
REFERENCE TEMPERATURE (°C)
10
Mean
A
20
TYP
= -55°C to +125°C.)
4
DS1731
DS1631/DS1631A/DS1731
+3 s
30
MAX
40
10
50
UNITS
Writes
Years
60
ms
70
80