參數(shù)資料
型號(hào): LUCW3000CCN
元件分類: PLL合成/DDS/VCOs
英文描述: PLL FREQUENCY SYNTHESIZER, 2200 MHz, PDSO14
封裝: TSSOP-14
文件頁數(shù): 28/28頁
文件大?。?/td> 326K
代理商: LUCW3000CCN
Advance Data Sheet
December 1999
W3000 PLL Dual-Band Frequency Synthesizer
Lucent Technologies Inc.
9
Serial Data Input
The PLL is programmed via a 3-wire serial bus, utilizing a data pin (DAT), a clock pin (CLK), and a latch pin
(LAT).
Serial Bus Timing Information
tCS
tCH
tLWH
tLS
V
MSB
LSB
MSB – 1
DAT
CLK
tLL
tCWH
tCWL
LAT
OR
LAT
t
Figure 5. Serial Bus Timing Diagram
Table 5. Serial Bus Timing Information
Symbol
Parameter
Min
Typ
Max
Unit
tCS
Data to Clock Setup Time
33
ns
tCH
Data to Clock Hold Time
10
ns
tCWH
Clock Pulse Width High
33
ns
tCWL
Clock Pulse Width Low
33
ns
tLS
Clock Falling Edge to Latch High Setup Time
0
ns
tLWH
Latch Pulse Width
50
ns
tLL
Latch to Clock Setup Time
33
ns
fCLK
Clock Input Frequency
10
MHz
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