M41T93_11 STMICROELECTRONICS [STMicroelectronics], M41T93_11 Datasheet - Page 25
![no-image](/images/no-image-200.jpg)
M41T93_11
Manufacturer Part Number
M41T93_11
Description
Serial SPI bus real-time clock with battery switchover
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.M41T93_11.pdf
(51 pages)
- Current page: 25 of 51
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M41T93
Figure 11. Crystal accuracy across temperature
Table 5.
1. C
2. Maximum negative calibration value
3. Maximum positive calibration value
Addr
12h
LOAD
Frequency (ppm)
calibration
= 1/(1/C
9.75 pF
–100
–120
–140
–160
–18 pF
Analog
–20
–40
–60
–80
value
–7 pF
20
0 pF
3 pF
5 pF
0
Analog calibration values
–40
XI
(3)
(2)
+ 1/C
ACS
–30
D7
(±)
XO
0
0
1
0
1
x
)
(16 pF)
–20
AC6
D6
0
0
0
0
0
1
–10
(8 pF)
AC5
D5
0
0
0
0
1
0
0
(4 pF)
Doc ID 12615 Rev 6
AC4
10
D4
0
0
1
1
0
0
Temperature C
ΔF = K x (T – T
F
K
= –0.036 ppm/ C
20
(2 pF)
AC3
D3
0
1
0
1
0
1
30
T
O
= 25 C ± 5 C
( 1pF)
O
AC2
)
D2
2
0
1
1
1
1
0
40
2
± 0.006 ppm/ C
(0.5 pF)
50
AC1
D1
0
0
0
0
1
0
60
2
(0.25 pF)
AC0
D0
0
0
0
0
1
0
70
80
C
34.75 pF
Clock operation
XI
25 pF
28 pF
30 pF
18 pF
7 pF
, C
XO
C
AI07888
12.5 pF
17.4 pF
3.5 pF
14 pF
15 pF
LOAD
9 pF
25/51
(1)
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