參數(shù)資料
型號(hào): MB89923PF
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP80
封裝: 20 X 14 MM, 0.80 MM PITCH, PLASTIC, QFP-80
文件頁數(shù): 24/44頁
文件大?。?/td> 1091K
代理商: MB89923PF
MB89920 Series
30
DS07-12526-2E
(3) Clock Timing
(AVSS = VSS = 0.0 V, TA = –40
°C to +85°C)
(4) Instruction Cycle
Parameter
Symbol
Pin
Condition
Value
Unit
Remarks
Min.
Max.
Clock frequency
FC
X0, X1
18
MHz
Clock cycle time
tXCYL
X0, X1
125
1000
ns
Input clock pulse width
PWH
PWL
X0
20
ns
External clock
Input clock rising/falling
time
tCR
tCF
X0
10
ns
External clock
Parameter
Symbol
Value (typical)
Unit
Remarks
Instruction cycle
(minimum execution time)
tinst
4/FC
s
(4/FC) tinst = 0.5
s when operating at
FC = 8 MHz
0.2 VCC
0.8 VCC
X0
0.2 VCC
tCR
tCF
0.8 VCC
0.2 VCC
X0
X1
X0
X1
tXCYL
FC
C1
C2
When a crystal
or
ceramic resonator is used
When an external clock is used
Open
PWH
PWL
X0 and X1 Timing and Conditions
Clock Conditions
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