參數(shù)資料
型號: MK2058-01SILF
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 時鐘產(chǎn)生/分配
英文描述: 27 MHz, OTHER CLOCK GENERATOR, PDSO20
封裝: 0.300 INCH, ROHS COMPLIANT, SOIC-20
文件頁數(shù): 4/11頁
文件大小: 254K
代理商: MK2058-01SILF
MK2058-01
COMMUNICATIONS CLOCK JITTER ATTENUATOR
VCXO AND SYNTHESIZER
IDT COMMUNICATIONS CLOCK JITTER ATTENUATOR
2
MK2058-01
REV G 051310
Pin Assignment
20-pin 300 mil SOIC
Output Clock Selection Table
Note: For SEL input pin programming:
0 = GND, 1 = VDD, M = Floating
Pin Descriptions
16
1
15
2
14
X1
X2
3
13
VDD
4
12
VDD
GND
5
11
VDD
6
ISEL
7
VIN
8
GND
ICLK1
ICLK2
SEL0
GND
CLK
GND
NC
9
10
CHGP
SEL1
ISET
SEL2
20
19
18
17
SEL2 SEL1 SEL0
Input / Output
Range
Crystal
Frequency
0
3.3 to 8.7 kHz
3072 x ICLK
0
1
0.64 to 1.68 MHz
16 x ICLK
0
1
0
1 to 2.7 MHz
10 x ICLK
0
1
1.7 to 4.5 MHz
6 x ICLK
M
0
5 to 13 kHz
2048 x ICLK
M
0
1
6 to 15.75 kHz
1716 x ICLK
M
1
0
26 to 70 kHz
384 x ICLK
M
1
70 to 210 kHz
128 x ICLK
1
0
2.5 to 6.75 MHz
4 x ICLK
1
0
1
3.4 to 9 MHz
3 x ICLK
1
0
5 to 13.5 MHz
2 x ICLK
1
10 to 27 MHz
1 x ICLK
Pin
Number
Pin
Name
Pin
Type
Pin Description
1
X1
Crystal Input. Connect this pin to the specified crystal.
2
VDD
Power
Power Supply. Connect to +3.3 V.
3
VDD
Power
Power Supply. Connect to +3.3 V.
4
VDD
Power
Power Supply. Connect to +3.3 V.
5
VIN
Input
VCXO Control Voltage Input. Connect this pin to CHGP pin and the external
loop filter as shown in this data sheet.
6
GND
Power
Connect to ground.
7
GND
Power
Connect to ground.
8
GND
Power
Connect to ground.
9
CHGP
Output
Charge Pump Output. Connect this pin to the external loop filter and to pin
VIN.
10
ISET
Charge pump current setting node, connection for setting resistor.
11
SEL2
Input
Output Frequency Selection Pin 2. Determines output frequency as per table
above. Internally biased to VDD/2.
12
SEL1
Input
Output Frequency Selection Pin 1. Determines output frequency as per table
above. Internal pull-up resistor.
13
NC
Input
No Internal Connection.
14
CLK
Output
Clock Output.
15
SEL0
Input
Output Frequency Selection Pin 0. Determines output frequency as per table
above. Internal pull-up resistor.
16
ICLK2
Input
Input Clock Connection 2. Connect an input reference clock to this pin. If
unused, connect to ground.
17
ICLK1
Input
Input Clock Connection 1. Connect an input reference clock to this pin. If
unused, connect to ground.
18
ISEL
Input
Input Selection. Used to select which reference input clock is active. Low input
level selects ICLK1, high input level selects ICLK2. Internal pull-up resistor.
19
GND
Power
Connect to ground.
20
X2
Crystal Output. Connect this pin to the specified crystal.
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