參數(shù)資料
型號: MB90549PF
廠商: FUJITSU LTD
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100
封裝: PLASTIC, QFP-100
文件頁數(shù): 28/64頁
文件大小: 1525K
代理商: MB90549PF
MB90590 Series
34
4.
AC Characteristics
(1) Clock Timing
(VCC
= 5.0 V±10%, VSS = AVSS = 0V, TA = 40 °C to +85 °C)
*: Frequency deviation indicates the maximum frequency difference from the target frequency when using a
multiplied clock.
Example of Oscillation circuit
Parameter
Symbol
Pin
Value
Units
Remarks
Min.
Typ.
Max.
Oscillation frequency
fC
X0, X1
3
16
MHz
Oscillation cycle time
tCYL
X0, X1
62.5
333
ns
Frequency deviation with
PLL *
f—
5
%
Input clock pulse width
PWH, PWL
X0
10
ns
Duty ratio is about 30 to 70%.
Input clock rise and fall
time
tCR, tCF
X0
5
ns
When using external clock
Machine clock frequency
fCP
—1.5
16
MHz
Machine clock cycle time
tCP
62.5
666
ns
Make
Oscillator
Frequency (MHz)
C1 (pF)
C2 (pF)
R (
)
TBD
4MHz
TBD
Central frequency fO
α
f
α
fo
------
100%
×
=
tHCYL
PWH
tCF
PWL
tCR
0.8 VCC
0.2 VCC
X0
Clock Timing
X0
X1
R
C1
C2
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