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Part Name
Description
M41ST87YMX6TR View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
M41ST87YMX6TR
5.0, 3.3, or 3.0V, 1280 bit (160 x8) Secure Serial RTC and NVRAM Supervisor with Tamper Detection
STMicroelectronics
'M41ST87YMX6TR' PDF : 42 Pages
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Figure 22. Crystal Accuracy Across Temperature
M41ST87Y, M41ST87W
Frequency (ppm)
20
0
–20
–40
–60
–80
–100
–120
–140
–160
–40 –30 –20 –10 0
∆
F
F
=
K
x
(T
–
T
O
)
2
K = –0.036 ppm/
°
C
2
± 0.006 ppm/
°
C
2
T
O
= 25
°
C ± 5
°
C
10 20 30 40 50 60 70 80
Temperature
°
C
AI07888
Figure 23. Calibration Waveform
NORMAL
POSITIVE
CALIBRATION
NEGATIVE
CALIBRATION
AI00594B
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