External Clock Drive Waveforms - Atmel AVR AT90S2333 Manual

External Clock Drive Waveforms

Figure 69. External Clock
VIL1
Table 39. External Clock Drive
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
VIH1
V
Min
0
250
100
100
AT90S/LS2333 and AT90S/LS4433
= 2.7V to 6.0V
CC
Max
4
1.6
1.6
V = 4.0V to 6.0V
CC
Min Max
0 8
125
50
50
0.5
0.5
Units
MHz
ns
ns
ns
µs
µs
85