M41T93 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'M41T93' PDF : 51 Pages View PDF
M41T93
Clock operation
Figure 10. Crystal accuracy across temperature
Frequency (ppm)
20
0
–20
–40
–60
–80
–100
–120
–140
–160
–40 –30 –20 –10 0
ΔF
F
=
K
x
(T
–
TO)2
K = –0.036 ppm/°C2 ± 0.006 ppm/°C2
TO = 25°C ± 5°C
10 20 30 40 50 60 70 80
Temperature °C
AI07888
Table 5. Analog calibration values
Analog
Calibration D7 D6 D5
Addr
Value
ACS AC6 AC5
(±) (16pF) (8pF)
D4
AC4
(4pF)
D3
AC3
(2pF)
D2
AC2
(1pF)
D1
D0
AC1
AC0
(0.5pF) (0.25pF)
CXI, CXO CLOAD(1)
0pF
x
0
0
0
0
0
0
3pF
0
0
0
0
1
1
0
5pF
0
0
0
1
0
1
0
12h
–7pF
1
0
0
1
1
1
0
9.75pF(2)
0
0
1
0
0
1
1
–18pF(3)
1
1
0
0
1
0
0
0
25pF 12.5pF
0
28pF
14pF
0
30pF
15pF
0
18pF
9pF
1
34.75pF 17.4pF
0
7pF
3.5pF
1. CLOAD = 1/(1/CXI + 1/CXO)
2. Maximum negative calibration value
3. Maximum positive calibration value
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