參數(shù)資料
型號: M41T83ZQA6E
廠商: STMICROELECTRONICS
元件分類: 時鐘/數(shù)據(jù)恢復(fù)及定時提取
英文描述: 1 TIMER(S), REAL TIME CLOCK, QCC16
封裝: 4 X 4 MM, ROHS COMPLIANT, QFN-16
文件頁數(shù): 24/61頁
文件大小: 983K
代理商: M41T83ZQA6E
Clock operation
M41T82-M41T83
Doc ID 12578 Rev 12
Figure 17.
Crystal accuracy across temperature
Table 7.
Analog calibration values
Addr
Analog
calibration
value
D7
D6
D5
D4
D3
D2
D1
D0
CXI, CXO
CLOAD
(1)
1.
CLOAD = 1/(1/CXI + 1/CXO).
ACS
(±)
AC6
(16 pF)
AC5
(8 pF)
AC4
(4 pF)
AC3
(2 pF)
AC2
(1 pF)
AC1
(0.5 pF)
AC0
(0.25 pF)
(CXI, CXO)
12h
0 pF
x
0
25 pF
12.5 pF
3 pF
0
1
0
28 pF
14 pF
5 pF
0
1
0
1
0
30 pF
15 pF
–7 pF
1
0
1
0
18 pF
9 pF
9.75 pF(2)
2.
Maximum negative calibration value.
0
1
0
1
34.75 pF
17.4 pF
–18 pF(3)
3.
Maximum positive calibration value.
1
0
1
0
7 pF
3.5 pF
AI07888
–160
010
20
3040506070
Frequency (ppm)
Temperature
°C
80
–10
–20
–30
–40
–100
–120
–140
–40
–60
–80
20
0
–20
= –0.036 ppm/
°C2 ± 0.006 ppm/°C2
K
ΔF
= K x (T – T
O)
2
F
T
O = 25°C ± 5°C
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