M41T11_08 STMICROELECTRONICS [STMicroelectronics], M41T11_08 Datasheet - Page 17

• Manufacturer Part Number: M41T11_08
• Description: Serial real-time clock with 56 bytes of NVRAM
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Figure 12. Crystal accuracy across temperature
Figure 13. Clock calibration
Frequency (ppm)
NORMAL
POSITIVE
CALIBRATION
NEGATIVE
CALIBRATION
–100
–120
–140
–160
–20
–40
–60
–80
20
0
–40
–30
–20
–10
0
10
Temperature C
T
K = –0.036 ppm/ C
F
O
F = K x (T –T
= 25 C ± 5 C
20
30
O
)
2
40
2
± 0.006 ppm/ C
50
60
2
70
80
AI00999b
AI00594B
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