DS1631 Datasheet, PDF (6/15 Pages) National Semiconductor (TI) – CMOS Dual Peripheral Drivers

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