External clock drive waveforms, External clock drive – Rainbow Electronics AT89C4051 User Manual
Page 13
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13
AT89C4051
1001D–06/01
External Clock Drive Waveforms
External Clock Drive
Symbol
Parameter
V
CC
= 2.7V to 6.0V
V
CC
= 4.0V to 6.0V
Units
Min
Max
Min
Max
1/t
CLCL
Oscillator Frequency
0
12
0
24
MHz
t
CLCL
Clock Period
83.3
41.6
ns
t
CHCX
High Time
30
15
ns
t
CLCX
Low Time
30
15
ns
t
CLCH
Rise Time
20
20
ns
t
CHCL
Fall Time
20
20
ns
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