參數(shù)資料
型號: MK2049-45SILFTR
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 時鐘產生/分配
英文描述: 125 MHz, OTHER CLOCK GENERATOR, PDSO20
封裝: 0.300 INCH, LEAD FREE, SOIC-20
文件頁數(shù): 3/10頁
文件大?。?/td> 237K
代理商: MK2049-45SILFTR
MK2049-45
3.3 VOLT COMMUNICATIONS CLOCK PLL
VCXO AND SYNTHESIZER
IDT / ICS 3.3 VOLT COMMUNICATIONS CLOCK PLL
2
MK2049-45
REV G 101904
Pin Assignment
Pin Descriptions
16
1
15
2
14
FS1
FS0
3
13
X2
4
12
X1
RES
5
11
VDD
6
CAP2
7
FCAP
8
VDD
GND
CAP1
VDD
GND
CLK
ICLK
9
10
CLK/2
FS3
8k
FS2
20
19
18
17
Pin
Number
Pin
Name
Pin
Type
Pin Description
1
FS1
Input
Frequency select 1. Determines CLK input/outputs per table on page 2.
Internal pull-up resistor.
2
X2
Input
Crystal connection. Connect to a MHz crystal as shown in table on page 2.
3
X1
Input
Crystal connection. Connect to a MHz crystal as shown in table on page 2.
4
VDD
Power
Power supply. Connect to +3.3V.
5
FCAP
-
Filter capacitor. Connect a 1000 pF ceramic capacitor to ground.
6
VDD
Power
Power supply. Connect to +3.3V.
7
GND
Power
Connect to ground
8
CLK
Output
Clock output determined by status of FS3:0 per tables on page 2.
9
CLK/2
Output
Clock output determined by status of FS3:0 per tables page 2. Always 1/2 of
CLK.
10
8k
Output
Recovered 8 kHz clock output.
11
FS2
Input
Frequency select 2. Determines CLK input/outputs per table on page 2.
Internal pull-up resistor.
12
FS3
Input
Frequency select 3. Determines CLK input/outputs per table on page 2.
Internal pull-up resistor.
13
ICLK
Input
Input clock connection. Connect to 8 kHz backplane or MHz clock.
14
GND
Power
Connect to ground.
15
VDD
Power
Power Supply. Connect to +3.3V.
16
CAP1
Loop
Filter
Connect the loop filter capacitors and resistor between this pin and CAP2.
17
GND
Power
Connect to ground.
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相關代理商/技術參數(shù)
參數(shù)描述
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