參數(shù)資料
型號(hào): MB90671PFV
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP80
封裝: PLASTIC, LQFP-80
文件頁(yè)數(shù): 86/106頁(yè)
文件大?。?/td> 1648K
代理商: MB90671PFV
MB90670/675 Series
80
(3) Clock Timing
Operation at 5.0 V
±±±± 10%
(AVSS = VSS = 0.0 V, TA = –40
°C to +85°C)
*: The frequency fluctuation rate is the maximum deviation rate of the preset center frequency when the multiplied
PLL signal is locked.
The PLL frequency deviation changes periodically from the preset frequency “(about CLK
× (1CYC to 50 CYC)”,
thus minimizing the chance of worst values to be repeated (errors are minimal and negligible for pulses with
long intervals).
Parameter
Symbol
Pin name Condition
Value
Unit
Remarks
Min.
Typ.
Max.
Clock frequency
FC
X0, X1
3—
32
MHz
Clock cycle time
tC
X0, X1
31.25
333
ns
Input clock pulse width
PWH,
PWL
X0
10
ns
Recommended
duty ratio of
30% to 70%
Input clock rising/falling time
tCR,
tCF
X0
5
ns
Internal operating clock fre-
quency
fCP
—1.5
16
MHz
Internal operating clock cycle
time
tCP
62.5
666
ns
Frequency fluctuation rate
locked
fP37/CLK
3
%
*
|
α |
fO
Center frequency
+
+
α
fO
α
f =
× 100 (%)
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