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): 4/28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.
4
Pin Information
V
DDC
CPOUT
V
SS
1
MAIN_IN
LAT
DAT
LOCKDET
REF_IN
PWRDN
CLK
RES
14
13
8
10
11
12
9
1
2
7
5
4
3
6
V
SS
2
V
DD
1
V
DD
2
Figure 3. Pin Diagram
Table 1. Pin Descriptions
Pin
1
2
3
4
5
6
7
8
9
10
Symbol
V
DDC
CPOUT
V
SS
1
V
SS
2
MAIN_IN
V
DD
1
V
DD
2
LOCKDET
RES
REF_IN
Function
Supply
Output
Ground
Ground
Input
Supply
Supply
Output
Input
Input
Name/Description
Charge Pump Positive Supply Voltage
. Must be
V
DD
. (V
DD
= V
DD
1 = V
DD
2).
Charge Pump Output
.
Ground 1
. Charge pump and logic ground.
Ground 2
. Prescaler and reference ground.
VCO Signal Input
. Must be ac-coupled.
Voltage Supply 1
. Prescaler supply voltage.
Voltage Supply 2
. Logic and reference supply (must be equal to V
DD
1).
Lock Detect Output.
External Resistor Input
. Add resistor to V
DDC
if required (>10 k
).
Reference Frequency Input
. Connection from reference oscillator. Must be ac-
coupled.
Powerdown
. For low current operation. (Low is powerdown mode.)
Serial Input
. Programming clock line.
Serial Input
. Programming data line.
Serial Input
. Programming latch line.
11
12
13
PWRDN
CLK
DAT
Input
Input
Input
14
LAT
Input
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