AT89C4051-12PA 查看數據表（PDF） - Atmel Corporation
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AT89C4051-12PA Datasheet PDF : 15 Pages
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External Clock Drive Waveforms
External Clock Drive
Symbol
Parameter
1/tCLCL
tCLCL
tCHCX
tCLCX
tCLCH
tCHCL
Oscillator Frequency
Clock Period
High Time
Low Time
Rise Time
Fall Time
VCC = 3.0V to 6.0V
Min
Max
0
12
83.3
30
30
20
20
VCC = 4.0V to 6.0V
Min
Max
0
24
41.6
15
15
20
20
Units
MHz
ns
ns
ns
ns
ns
11
AT89C4051
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