ds1631a Maxim Integrated Products, Inc., ds1631a Datasheet - Page 6

• Manufacturer Part Number: ds1631a
• Description: High-precision Digital Thermometer And Thermostat
• Manufacturer: Maxim Integrated Products, Inc.

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 σ
Mean
20
DS1631/DS1631A
+3 σ
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
6 of 15
(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 σ
0
MIN
50k
10
REFERENCE TEMPERATURE (°C)
10
Mean
A
20
TYP
= -55°C to +125°C.)
4
DS1731
DS1631/DS1631A/DS1731
+3 σ
30
MAX
40
10
50
UNITS
Writes
Years
60
ms
70
80