Datasheet

34
3286P–MICRO–3/10
AT89S8253
Figure 16-3. Quartz Crystal Clock Source (B)
Figure 16-4. Ceramic Resonator Clock Source (A)
Quartz Crystal Clock Input
0
1
2
3
4
5
6
7
04812162024
Frequency (MHz)
XTAL1 Amplitude (V)
C2=0pF
C2=5pF
C2=10pF
R1=4MΩ
Ceramic Resonator Clock Input
0
1
2
3
4
5
6
04812162024
Frequency (MHz)
XTAL1 Amplitude (V)
C1=C2=0pF
C1=C2=5pF
C1=C2=10pF