MB15E07SL Fujitsu Media Devices, MB15E07SL Datasheet - Page 14

• Manufacturer Part Number: MB15E07SL
• Description: Single Serial Input PLL Frequency Synthesizer On-Chip 2.5 GHz Prescaler
• Manufacturer: Fujitsu Media Devices

14
MB15E07SL
PHASE COMPARATOR OUTPUT WAVEFORM
Notes:
[FC =
[FC =
1.
2.
3.
4.
5. LD becomes high during the power saving mode (PS = “L”).
“H”]
“L”]
Phase error detection range: –2 to +2
Pulses on Do signal during locked state are output to prevent dead zone.
LD output becomes low when phase is t
or less and continues to be so for three cycles or more.
t
t
t
WU
WU
WU
fr
fp
LD
D
D
O
> 2/fosc (s) (e. g.
< 4/fosc (s) (e. g.
O
and t
WL
depend on OSC
t
t
WU
WL
< 312.5 ns, fosc = 12.8 MHz)
> 156.3 ns, fosc = 12.8 MHz)
IN
t
input frequency.
WU
WU
or more. LD output becomes high when phase error is t
t
WL
WL