MB89935B 데이터 시트보기 (PDF) - Fujitsu
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MB89935B Datasheet PDF : 42 Pages
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MB89930A Series
(3) Clock Timing
Parameter
Clock frequency
Clock cycle time
Input clock pulse width
Input clock rising/falling time
Symbol Condition
FCH
tXCYL
tWH
tWL
tCR
tCF
(AVSS = VSS = 0.0 V, Ta = –40°C to +85°C)
Value
Unit
Min
Max
Remarks
1
10
MHz
100
1000
ns
20
ns
10
ns
• X0 and X1 Timing and Conditions
tXCYL
tWH
tWL
tCR
tCF
X0
0.8 VCC 0.8 VCC
0.2 VCC
0.2 VCC
0.2 VCC
• Main Clock Conditions
When a crystal or ceramic
resonator is used
When an exernal
clock is used
X0 X1
X0 X1
open
(4) Instruction Cycle
Parameter
Symbol
Value (typical)
(AVSS = VSS = 0.0 V, Ta = –40°C to +85°C) .
Unit
Remarks
Instruction cycle
(minimum execution time)
tINST
4/FCH, 8/FCH, 16/FCH, 64/FCH
µs
tINST = 0.4 µs when operating
at FCH = 10 MHz (4/FCH)
28
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