Datasheet

Acquisition/Lock Time Specifications
MC68HC908GZ16 • MC68HC908GZ8 Data Sheet, Rev. 4
Freescale Semiconductor 77
Figure 4-9. PLL Filter
Table 4-5. Example Filter Component Values
f
RCLK
C
F1
C
F2
R
F1
C
F
1 MHz 8.2 nF 820 pF 2k 18 nF
2 MHz 4.7 nF 470 pF 2k 6.8 nF
3 MHz 3.3 nF 330 pF 2k 5.6 nF
4 MHz 2.2 nF 220 pF 2k 4.7 nF
5 MHz 1.8 nF 180 pF 2k 3.9 nF
6 MHz 1.5 nF 150 pF 2k 3.3 nF
7 MHz 1.2 nF 120 pF 2k 2.7 nF
8 MHz 1 nF 100 pF 2k 2.2 nF
CGMXFC
R
F1
C
F2
C
F1
V
SSA
CGMXFC
C
F
V
SSA
(A) (B)