參數(shù)資料
型號: LUCW3000CCN-TR
英文描述: W3000 PLL Dual-Band Frequency Synthesizer
中文描述: W3000鎖相環(huán)雙頻段頻率合成器
文件頁數(shù): 9/28頁
文件大?。?/td> 327K
代理商: LUCW3000CCN-TR
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
t
CS
t
CH
t
LWH
t
LS
V
MSB
LSB
MSB – 1
DAT
CLK
t
LL
t
CWH
t
CWL
LAT
OR
LAT
t
Figure 5. Serial Bus Timing Diagram
Table 5. Serial Bus Timing Information
Symbol
t
CS
t
CH
t
CWH
t
CWL
t
LS
t
LWH
t
LL
f
CLK
Parameter
Min
33
10
33
33
0
50
33
Typ
Max
10
Unit
ns
ns
ns
ns
ns
ns
ns
MHz
Data to Clock Setup Time
Data to Clock Hold Time
Clock Pulse Width High
Clock Pulse Width Low
Clock Falling Edge to Latch High Setup Time
Latch Pulse Width
Latch to Clock Setup Time
Clock Input Frequency
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