MB15E07SR Fujitsu Media Devices, MB15E07SR Datasheet - Page 14

• Manufacturer Part Number: MB15E07SR
• Description: Single Serial Input PLL Frequency Synthesizer On-chip 2.5 GHz Prescaler
• Manufacturer: Fujitsu Media Devices

14
MB15E07SR
PHASE COMPARATOR OUTPUT WAVEFORM
Notes : • Phase error detection range: –2 π to +2 π
[FC =
[FC =
“H”]
“L”]
• Pulses on Do signal during locked state are output to prevent dead zone.
• LD output becomes low when phase is t
• t
• LD becomes high during the power saving mode (PS = “L”).
fr
fp
LD
D
D
error is t
t
t
WU
WU
WU
O
O
> 2/fosc (s) (e. g.
< 4/fosc (s) (e. g.
and t
WL
WL
or less and continues to be so for three cycles or more.
depend on OSC
t
t
WU
WL
< 307.7 ns, fosc = 13 MHz)
> 153.8 ns, fosc = 13 MHz)
t
WU
IN
input frequency.
WU
or more. LD output becomes high when phase
t
WL