參數(shù)資料
型號: MB15F78ULPVA
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, 2600 MHz, PBCC20
封裝: PLASTIC, BCC-20
文件頁數(shù): 12/27頁
文件大?。?/td> 160K
代理商: MB15F78ULPVA
MB15F78UL
12
4. Serial data input timing
Divide ratio setting is performed through a serial interface using the Data pin, Clock pin, and LE pin.
Setting data is read into the shift register at the rise of the Clock signal, and transferred to a latch at the rise of
the LE signal. The following diagram shows the data input timing.
LSB
MSB
Clock
Data
LE
t
7
t
1
t
2
t
3
t
4
t
5
t
6
1st data
2nd data
Control bit
Invalid data
Note : LE should be “L” when the data is transferred into the shift register.
Parameter
Min.
Typ.
Max.
Unit
Parameter
Min.
Typ.
Max.
Unit
t
1
20
ns
t
5
100
ns
t
2
20
ns
t
6
20
ns
t
3
30
ns
t
7
100
ns
t
4
30
ns
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