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参数资料
| 型号： | MK2049-36SILF |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 155.52 MHz, OTHER CLOCK GENERATOR, PDSO20 |
| 封装： | 0.300 INCH, ROHS COMPLIANT, SOIC-20 |
| 文件页数： | 3/8页 |
| 文件大小： | 89K |
| 代理商： | MK2049-36SILF |
MK2049-36
3.3 VOLT COMMUNICATIONS CLOCK PLL
VCXO AND SYNTHESIZER
IDT 3.3 VOLT COMMUNICATIONS CLOCK PLL
3
MK2049-36
REV G 051310
Output Decoding Table - External Mode (MHz)
Output Decoding Table - Buffer Mode (MHz)
0 = connect directly to ground, 1 = connect directly to VDD or leave open.
Crystal is connected to pins 2 and 3; clock input is applied to pin 13.
Operating Modes
The MK2049-36 has two operating modes: External and Buffer. Although both modes use an input clock to generate various
output clocks, there are important differences in their input and crystal requirements.
External Mode
The MK2049-36 accepts an external 8 kHz clock and will produce a number of common communication clock frequencies.
The 8 kHz input clock does not need to have a 50% duty cycle; a “high” or “on” pulse as narrow as 10 ns is acceptable.
Buffer Mode
Unlike the other two modes that accept only a single specified input frequency, Buffer Mode will accept a wider range of
input clocks. The input jitter is attenuated and the outputs on CLK and CLK/2 also provide the option of getting x1, x2, x4, or
1/2 of the input frequency. For example, this mode can be used to remove the jitter from a 27 MHz clock, generating
low-jitter 27 MHz and 13.5 MHz outputs.
19
RES
-
Connect a 10-200k
Ω resistor to ground. Contact IDTfor recommended value
for your application.
20
FS0
Input
Frequency select 0. Determines CLK input/outputs per table on page 3.
Internal pull-up resistor.
ICLK
FS3
FS2
FS1
FS0
CLK/2
CLK
8k
Crystal
Used (MHz)
N
8 kHz
0000
1.544
3.088
8 kHz
12.352
1544
8 kHz
0001
2.048
4.096
8 kHz
12.288
1536
8 kHz
0010
22.368
44.736
8 kHz
11.184
1398
8 kHz
0011
17.184
34.368
8 kHz
11.456
1432
8 kHz
0100
77.76
155.52
8 kHz
19.44
2430
8 kHz
0101
16.384
32.768
8 kHz
16.384
2048
8 kHz
0110
14.352
28.704
8 kHz
14.352
1794
8 kHz
0111
TEST
8 kHz
1000
18.528
37.056
8 kHz
18.528
2316
8 kHz
1001
12.352
24.704
8 kHz
24.704
3088
8 kHz
1010
7.68
15.36
8 kHz
15.36
1920
8 kHz
1011
TEST
1344
8 kHz
1100
12.288
24.576
8 kHz
24.576
3072
8 kHz
1101
16.384
32.768
8 kHz
12.288
1536
Pin
Number
Pin
Name
Pin
Type
Pin Description
ICLK
FS3
FS2
FS1
FS0
CLK/2
CLK
8k
Crystal
N
22 - 36
1110
ICLK/2
ICLK
N/A
ICLK/2
3
11 - 18
1111
2*ICLK
4*ICLK
N/A
ICLK
3
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MK2049-36SILFTR | 功能描述:时钟合成器/抖动清除器 3.3 VOLT COMMUNICA. CLOCK VCXO PLL RoHS:否 制造商:Skyworks Solutions, Inc. 输出端数量: 输出电平: 最大输出频率: 输入电平: 最大输入频率:6.1 GHz 电源电压-最大:3.3 V 电源电压-最小:2.7 V 封装 / 箱体:TSSOP-28 封装:Reel |
| MK2049-36SITR | 功能描述:IC VCXO PLL CLK SYNTH 20-SOIC RoHS:否 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器，PLL，频率合成器 系列:- 标准包装:39 系列:- 类型:* PLL:带旁路 输入:时钟 输出:时钟 电路数:1 比率 - 输入:输出:1:10 差分 - 输入:输出:是/是 频率 - 最大:170MHz 除法器/乘法器:无/无 电源电压:2.375 V ~ 3.465 V 工作温度:0°C ~ 70°C 安装类型:* 封装/外壳:* 供应商设备封装:* 包装:* |
| MK2049-45 | 制造商:ICS 制造商全称:ICS 功能描述:3.3V Communications Clock PLL |
| MK2049-45ASI | 功能描述:IC CLK PLL COMM 3.3V 20-SOIC RoHS:否 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器，PLL，频率合成器 系列:- 标准包装:39 系列:- 类型:* PLL:带旁路 输入:时钟 输出:时钟 电路数:1 比率 - 输入:输出:1:10 差分 - 输入:输出:是/是 频率 - 最大:170MHz 除法器/乘法器:无/无 电源电压:2.375 V ~ 3.465 V 工作温度:0°C ~ 70°C 安装类型:* 封装/外壳:* 供应商设备封装:* 包装:* |
| MK2049-45ASILF | 功能描述:时钟发生器及支持产品 3.3 VOLT COMMUNICA. CLOCK VCXO PLL RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56 |
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