0.35µm 20MHZ-170MHZ FSPLL
AL2007LA
OUTPUT FREQUENCY EQUATION & TABLE
(m+8)
(p+2) x 2
FOUT
=
Frequency Equation :
x FIN
S
Table 1. Example of Divider Ratio
S
M7
M6
M5
M4
M3
M2
M1
M0
m
M
(m+8)
P6
0
P5
1
P4
0
P3
P2
0
P1
1
P0
0
p
P
(p+2)
S1
0
S0
0
2
0
1
0
1
0
1
0
1
85
93
1
42
44
1
NOTES:
1. Don't set the P or M as zero, that is 000000 / 00000000
2. The proper range of P and M : 1<=P<=62, 1<=M<=248
3. The P and M must be selected considering stability of PLL and VCO output frequency range
4. Please consult with SEC application engineer to select the proper P, M and S values
7