MDT10P22(DF)
14. External Capacitor Selection For Crystal Oscillator
@ Vdd＝5.0 V
Osc. Type
Resonator Freq.
20 MHz
10 MHz
4 MHz
Capacity Range
10 pF ~ 50 pF
20 pF ~ 50 pF
10 pF ~ 30 pF
10 pF ~ 50 pF
10 pF ~ 50 pF
20 pF ~50 pF
20 pF ~ 30 pF
20 pF ~30 pF
20 pF ~30 pF
HF
10 MHz
4 MHz
XT
LF
1 MHz
1 MHz
455 K
32 K
MDT10P22
OSC1
OSC2
C1
C2
To increase the stability of oscillator and the ability of anti-noise, the above values of the
external capacitor are for reference only, but the higher capacitance also increases the
start-up time.
This specification are subject to be changed without notice. Any latest information
please preview http;//www.mdtic.com.tw
P. 18
2007/8 Ver. 1.6
MDTIC [ Micon Design Technology Corporation ]
