参数资料
型号: MB90423GBPF
厂商: FUJITSU LTD
元件分类: 微控制器/微处理器
英文描述: 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100
封装: PLASTIC, QFP-100
文件页数: 65/85页
文件大小: 930K
代理商: MB90423GBPF
MB90420G/425G Series
68
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 clock timing
X0A clock timing
X0
tcf
tcr
0.8 VCC
0.2 VCC
PWL
tCYL
PWH
X0A
tLCYL
tcf
tcr
0.8 VCC
0.2 VCC
PWLH
PWLL
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