SP5768 Datasheet, PDF (6/10 Pages) Zarlink Semiconductor Inc – 3.0 GHz Low Phase Noise Frequency Synthesiser

SP5768
18pF
2
39pF
SP5768
3
Figure 5 - Crystal oscillator application
RD
R2
R1
R0
0
0
0
0
0
0
0
1
0
0
1
0
0
0
1
1
0
1
0
0
0
1
0
1
0
1
1
0
0
1
1
1
1
0
0
0
1
0
0
1
1
0
1
0
1
0
1
1
1
1
0
0
1
1
0
1
1
1
1
0
1
1
1
1
Table 2 - Reference division ratio
RATIO
2
4
8
16
32
64
128
256
3
5
10
20
40
80
160
320
P1
P0
X
X
0
0
0
1
1
0
1
1
X = don't care
T0
FUNCTIONAL DESCRIPTION
0
Normal operation
1
Charge pump sink
1
Charge pump source
1
Charge pump disable
1
Port P1 = Fcomp, P0 = Fpd/2
Table 3 - Test modes
6