参数资料
型号: MB89923PF
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP80
封装: 20 X 14 MM, 0.80 MM PITCH, PLASTIC, QFP-80
文件页数: 24/44页
文件大小: 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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