Advertisement
External Clock Drive Waveforms
AT90S/LS2323/2343
48
Figure 38. Waveforms
VIH1
VIL1
External Clock Drive
= -40 ° C to 85 ° C
T
A
Symbol
Parameter
1/t
Oscillator Frequency
CLCL
t
Clock Period
CLCL
t
High Time
CHCX
t
Low Time
CLCX
t
Rise Time
CLCH
t
Fall Time
CHCL
V
: 2.7V to 4.0V
V
CC
CC
Min
Max
Min
0
4.0
0
250.0
100.0
100.0
40.0
100.0
40.0
1.6
1.6
: 4.0V to 6.0V
Max
Units
10.0
MHz
ns
ns
ns
0.5
µs
0.5
µs
1004D–09/01
Advertisement
