Datasheet

DS1921H/Z
43 of 45
RTC Frequency Deviation vs Temperature
-200
-175
-150
-125
-100
-75
-50
-25
0
25
50
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80
Temperature (°C)
Frequency Deviation (PPM)
Lower Limit Upper Limit
Minimum Product Lifetime vs Temperature at Different Sample Rates
0.00
1.00
2.00
3.00
4.00
5.00
6.00
7.00
8.00
9.00
10.00
11.00
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80
Temperature (°C)
Min. Product Lifetime (years)
Every Minute Every 3 Min. Every 10 Min.
No Samples Osc. Off