MB15E05 Fujitsu Media Devices, MB15E05 Datasheet - Page 12

• Manufacturer Part Number: MB15E05
• Description: ASSP Single Serial Input PLL Frequency Synthesizer On-Chip 2.0GHz Prescaler
• Manufacturer: Fujitsu Media Devices

12
MB15E05
Notes: 1. Phase error detection range: –2 to +2
PHASE COMPARATOR OUTPUT WAVEFORM
[ FC = ”H” ]
[ FC = ”L” ]
2. Pulses on Do output signal during locked state are output to prevent dead zone.
3. LD output becomes low when phase is t
4. t
5. LD becomes high during the power saving mode (PS = ”L”.)
or less and continues to be so for three cysles or more.
fr
fp
LD
Do
Do
WU
P
R
P
R
and t
t
t
WU
WL
WL
< 16/fosc (e. g. t
> 8/fosc (e. g. t
depend on OSCin input frequency.
WU
WL
H
t
L
WU
> 625ns, foscin = 12.8 MHz)
< 1250ns, foscin = 12.8 MHz)
WU
Z
Z
or more. LD output becomes high when phase error is t
L
H
t
WL
WL