External clock drive waveforms – Rainbow Electronics AT90LS8535 User Manual
Page 106
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106
AT90S/LS8535
1041H–11/01
External Clock Drive
Waveforms
Figure 74. External Clock
Table 46. 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
4
0
8.0
MHz
t
CLCL
Clock Period
250.0
125.0
ns
t
CHCX
High Time
100.0
50.0
ns
t
CLCX
Low Time
100.0
50.0
ns
t
CLCH
Rise Time
1.6
0.5
µs
t
CHCL
Fall Time
1.6
0.5
µs
VIL1
VIH1
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