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参数资料
| 型号： | MK1491-09F |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 66 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO28 |
| 封装： | 0.209 INCH, MO-150, SSOP-28 |
| 文件页数： | 1/10页 |
| 文件大小： | 200K |
| 代理商： | MK1491-09F |
DATASHEET
AMD GEODE GX2 CLOCK SOURCE
MK1491-09
IDT / ICS AMD GEODE GX2 CLOCK SOURCE
1
MK1491-09
REV K 072406
Description
The MK1491-09 is a low-cost, low-jitter, high-performance
clock synthesizer for AMD’s Geode-based computer and
portable appliance applications. Using patented analog
Phased-Locked Loop (PLL) techniques, the device accepts
a 14.318 MHz crystal input to produce multiple output
clocks. It provides selectable PCI local bus clocks, 48 MHz
clocks for Super I/O and USB, as well as multiple Reference
outputs.
The device has multiple power-down modes to reduce
power consumption.
Features
Packaged in 28-pin SSOP (209 mil body)
Available in RoHS compliant package
Provides all critical timing for the AMD Geode companion
chip
Four selectable PCI clocks
Three LPC interface clocks
One Fixed 66 MHz clock
2 Reference clocks
48 MHz USB and 48 MHz IO support
Power down mode
Low EMI Enable pin reduces EMI radiation on PCI clocks,
LCLKS, and 66 MHz clock
Operating voltage of 3.3 V ±5%
Down Spread of 0.5% for PCI, LPC and 66 MHz clocks
Industrial and commercial temperature ranges available
Block Diagram
Crystal
Oscillator
USB
Clock
Clocks
PCI&LPC
Clocks
with
Spread
Option
Sel66/33#
PD#
VDD
GND
6
3
LCLK or LPC,
(33 MHz)
66 MHz
48 MHz
REFCLK1
REFCLK0/Spread#
48/TS#
14.31818 MHz
crystal
XI
XO
PCI (66/33 MHz)
4
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MK1491-09FILN | 功能描述:时钟合成器/抖动清除器 AMD GEODE GX2 CLOCK SOURCE 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 |
| MK1491-09FILNTR | 功能描述:时钟合成器/抖动清除器 AMD GEODE GX2 CLOCK SOURCE 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 |
| MK1491-09FLN | 功能描述:时钟合成器/抖动清除器 AMD GEODE GX2 CLOCK SOURCE 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 |
| MK1491-09FLNTR | 功能描述:时钟合成器/抖动清除器 AMD GEODE GX2 CLOCK SOURCE 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 |
| MK149109FTR | 制造商:ICS 功能描述:New |
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