参数资料
型号: MK74CG117AF
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: 1/8页
文件大小: 197K
代理商: MK74CG117AF
DATASHEET
16 OUTPUT LOW SKEW CLOCK GENERATOR
MK74CG117A
IDT / ICS 16 OUTPUT LOW SKEW CLOCK GENERATOR
1
MK74CG117A REV F 082704
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