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参数资料
| 型号： | MK74CG117AFLF |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 90 MHz, OTHER CLOCK GENERATOR, PDSO48 |
| 封装： | 0.300 INCH, SSOP-48 |
| 文件页数： | 1/7页 |
| 文件大小： | 155K |
| 代理商： | MK74CG117AFLF |
MK74CG117A
MDS 74CG117A D
1
Revision 051304
Integrated Circuit Systems, Inc.
525 Race Street, San Jose, CA 95126
tel (408) 297-1201
www.icst.com
16 Output Low Skew Clock Generator
Description
The MK74CG117A is a monolithic CMOS high-speed,
low-skew clock driver that includes an on-chip PLL.
Ideal for communications and other systems that
require a large number of high-speed clocks, the
unique combination of PLL and 16 low-skew outputs
can eliminate oscillators and low-skew buffers from
systems.
The device has a number of built-in multipliers, making
it possible to run from one inexpensive, low-frequency
crystal, and produce high-frequency clock outputs.
Another selection allows the chip to run as a divider,
dividing the input clock by two (or 4 using the mode
select).
The device also has a buffered reference output,
allowing multiple devices to be easily driven from one
clock source.
Features
48-pin SSOP (300 mil) package
On-chip PLL generates output clocks up to 90 MHz
from a simple crystal or clock input
16 low-skew outputs
Output skew less than 350 ps on rising edges
Ability to configure as
– 16 clocks at full-frequency
– 12 at full and 4 at half-frequency
– 8 at full and 8 at half-frequency
Tri-state mode for Output Enable function
3.3 V ±5% supply voltage
Block Diagram
Clock
Synthesis
and Mode
Select
Circuitry
S2:0
M1:0
REF
3
GND
VDD
Crystal
Ocsillator
X1/ICLK
X2
The crystal requires external capacitors for
accurate tuning of the clock
2
9
Crystal or
clock input
10
Clock 16
Clock 2
Clock 1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MK74CG117AFTR | 功能描述:时钟发生器及支持产品 16 OUTPUT LOW SKEW CLOCK GENERATOR 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 |
| MK74CG117BF | 功能描述:IC CLK GEN 16OUTPUT 48-SSOP 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:* |
| MK74CG117BFILF | 功能描述:时钟发生器及支持产品 16 OUTPUT LOW SKEW CLOCK GENERATOR 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 |
| MK74CG117BFILFTR | 功能描述:时钟发生器及支持产品 16 OUTPUT LOW SKEW CLOCK GENERATOR 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 |
| MK74CG117BFLF | 功能描述:时钟发生器及支持产品 16 OUTPUT LOW SKEW CLOCK GENERATOR 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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