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參數(shù)資料
| 型號： | MB90362TSPMT |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, MROM, 24 MHz, MICROCONTROLLER, PQFP48 |
| 封裝： | PLASTIC, LQFP-48 |
| 文件頁數(shù)： | 52/59頁 |
| 文件大?。?/td> | 623K |
| 代理商： | MB90362TSPMT |
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MB90360 Series
56
7.
Notes on A/D Converter Section
Use the device with external circuits of the following output impedance for analog inputs :
Recommended output impedance of external circuits are : Approx. 1.5 k or lower (4.0 V ≤ AVCC ≤ 5.5 V,
sampling period
= 0.5 s)
If an external capacitor is used, in consideration of the effect by tap capacitance caused by external capacitors
and on-chip capacitors, capacitance of the external one is recommended to be several thousand times as
high as internal capacitor.
If output impedance of an external circuit is too high, a sampling period for an analog voltage may be
insufficient.
8.
Flash Memory Program/Erase Characteristics
* : This value comes from the technology qualification (using Arrhenius equation to translate high temperature
measurements into normalized value at
+85 °C) .
Parameter
Conditions
Value
Unit
Remarks
Min
Typ
Max
Chip erase time
TA
= +25 °C
VCC
= 5.0 V
115
s
Excludes programming
prior to erasure
Word (16-bit width)
programming time
16
3,600
s
Except for the overhead
time of the system level
Program/Erase cycle
10,000
cycle
Flash memory data
retention time
Average
TA
= +85 °C
20
Year
*
C
R
Comparator
Analog input
4.5 V
≤ AVCC ≤ 5.5 V : R := 2.52 k, C := 10.7 pF
4.0 V
≤ AVCC < 4.5 V : R := 13.6 k, C := 10.7 pF
Analog input circuit model
Note : Use the values in the figure only as a guideline.
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