參數(shù)資料
型號： MB90P553APF
元件分類： 微控制器/微處理器
英文描述： 16-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PQFP100
封裝： PLASTIC, QFP-100
文件頁數(shù)： 29/61頁
文件大小： 687K
代理商： MB90P553APF
MB90550A/550B Series
35
4.
AC Characteristics
(1) Clock Timing
(VCC
= 5.0 V±10%, VSS = AVSS = 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.
Parameter
Symbol
Pin name
Value
Unit
Min
Typ
Max
Oscillation clock
frequency
FC
X0, X1
3
—
16
MHz
Oscillation clock
cycle time
tC
X0, X1
62.5
—
333
ns
Frequency fluctuation rate
locked*
f—
—
5
%
Input clock pulse width
PWH
PWL
X0
10
—
ns
Recommended duty ratio
of 40
% to 60%
Input clock rising/falling
time
tCR, tCF
X0
—
5
ns
External clock operation
Internal operating clock
frequency
FCP
—
8.0
—
16
MHz
PLL operation
1.5
—
16
MHz
Main clock operation
Internal operating clock
cycle time
tCP
—
62.5
—
125
ns
PLL operation
62.5
—
666
ns
Main clock operation
+
+α
fo
α
α
fo
f =
× 100 (%)
Center frequency
X0, X1 clock timing
X0
tHCYL
tCF
PWH
PWL
tCR
0.8 VCC
0.2 VCC
0.8 VCC
0.2 VCC
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