參數(shù)資料
型號(hào): MB90428GPFV
元件分類(lèi): 微控制器/微處理器
英文描述: 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100
封裝: PLASTIC, LQFP-100
文件頁(yè)數(shù): 63/99頁(yè)
文件大小: 1714K
代理商: MB90428GPFV
MB90420G/5G (A) Series
66
4.
AC Characteristics
(1) Clock timing
(VCC
= 5.0 V±10%, VSS = DVSS = AVSS = 0.0 V, TA = 40 °C to +105 °C)
*: The frequency variability ratio is the maximum proportion of variation from the set central frequency using a
multiplier in locked operation.
Parameter
Symbol
Pin name
Condi-
tions
Value
Unit
Remarks
Min.
Typ.
Max.
Base oscillation
clock frequency
FC
X0, X1
4
MHz
FLC
X0A, X1A
32.768
kHz
Base oscillation
clock cycle time
tCYL
X0, X1
250
ns
tLCYL
X0A, X1A
30.5
s
Input clock pulse
width
PWH, PWL
X0
10
ns
Use duty ratio of
40 to 60
% as a guideline
PWLH, PWLL
X0A
15.2
s
Input clock
rise, fall time
tcr, tcf
X0, X0A
5ns
With external
clock signal
Input operating
clock frequency
FCP
2
16
MHz
Using main clock,
PLL clock
FLCP
8.192
kHz Using sub clock
Input operating
clock cycle time
tCP
62.5
500
ns
Using main clock,
PLL clock
tLCP
122.1
s Using sub clock
Frequency variability
ratio* (locked)
f
5
%
+
α
fo
α
f =
× 100 (%)
Central
frequency
X0, X1 clock timing
X0A, X1A clock timing
X0
t
tcf
tcr
0.8 VCC
0.2 VCC
P
PLCYL
X0A
tHCYL
tcf
tcr
0.8 VCC
0.2 VCC
PWH
PWL
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