MB15C03 Fujitsu, MB15C03 Datasheet - Page 9

• Manufacturer Part Number: MB15C03
• Description: Single Serial Input PLL Frequency Synthesizer On-Chip prescaler
• Manufacturer: Fujitsu

When FC = “H”
When FC = “L”
(b) Phase comparator input/output waveforms
The phase comparator outputs logic levels summarized in Table 1, according to the phase error between f
and f
The pulse width of the phase comparator outputs are identical and equal to the phase error between f
f
p
as shown in Figure 1.
p
.
f
f
r
p
D
D
O
O
Table.1 Phass comparator inputs/output relationships
Figure 1 Phase comparator input/output waveforms
f
f
f
r
r
r
FC
> f
= f
< f
p
p
p
“L”
H
Z
L
High Z : High impedance state
“H”
H
L
Z
MB15C03
High Z
High Z
r
and
r
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