參數(shù)資料
型號: MB90F474HPF
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP100
封裝: PLASTIC, QFP-100
文件頁數(shù): 105/118頁
文件大?。?/td> 1199K
代理商: MB90F474HPF
MB90470 Series
87
4.
AC Characteristics
(1) Clock Timing Ratings
(VSS
= 0.0 V, TA = 40 °C to +85 °C)
*1 : VCC
= VCC3 = VCC5
*2 : Observe the operating voltage with care.
Parameter
Sym-
bol
Pin name
Conditions
Value
Unit
Remarks
Min
Typ
Max
Clock frequency
FCH
X0, X1
3
20
MHz
for crystal
oscillation*2
3
40
for external
clock
FCL
X0A, X1A
32.768
kHz
Clock cycle time
tC
X0, X1
25
333
ns
*2
tCL
X0A, X1A
30.5
s
Input clock pulse width
PWH
PWL
X0
5
ns
*1
PWLH
PWLL
X0A
15.2
s*1
Input clock rise, fall time
tcr
tcf
X0
5ns
Using
external clock
Internal operating clock
frequency
fCP
1.5
20
MHz *2
1.5
16
MHz MB90474 only
fCPL
8.192
kHz
3
20
MHz MB90F474H
3
12
MHz MB90F474L
Internal operating clock
cycle time
tCP
50.0
666
ns
*2
62.5
666
ns
MB90474 only
tCPL
122.1
s
相關(guān)PDF資料
PDF描述
MB90474PF 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100
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