參數(shù)資料
型號: MB15F08SLPFV1
廠商: FUJITSU LTD
元件分類: XO, clock
英文描述: Dual Serial Input PLL Frequency Synthesizer
中文描述: PLL FREQUENCY SYNTHESIZER, 2500 MHz, PDSO16
封裝: PLASTIC, SSOP-16
文件頁數(shù): 13/27頁
文件大小: 239K
代理商: MB15F08SLPFV1
13
MB15F08SL
I
PHASE COMPARATOR OUTPUT WAVEFORM
Notes:
Phase error detection range = –2
π
to +2
π
Pulses on Do
TX/RX
signals are output to prevent dead zone.
LD output becomes low when phase error is t
WU
or more.
LD output becomes high when phase error is t
WL
or less and continues to be so for three cycles or more.
t
WU
and t
WL
depend on OSCin input frequency as follows.
t
WU
> 2/fosc: i. e.
t
WU
> 156.3 ns when foscin = 12.8 MHz
t
WU
< 4/fosc: i. e.
t
WL
< 312.5 ns when foscin = 12.8 MHz
fr
TX
/
RX
fp
TX
/
RX
LD
D
OTX
/
RX
t
WU
t
WL
D
OTX
/
RX
H
L
(FC bit = High)
(FC bit = Low)
Z
Z
LD Output Logic Table
TX-PLL section
RX-PLL section
LD output
Locking state/Power saving state
Locking state/Power saving state
H
Locking state/Power saving state
Unlocking state
L
Unlocking state
Locking state/Power saving state
L
Unlocking state
Unlocking state
L
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