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ICS557M-01 参数 Datasheet PDF下载

ICS557M-01图片预览
型号: ICS557M-01
PDF下载: 下载PDF文件 查看货源
内容描述: PCI - Express时钟源 [PCI-EXPRESS CLOCK SOURCE]
分类和应用: PC时钟
文件页数/大小: 10 页 / 203 K
品牌: ICS [ INTEGRATED CIRCUIT SYSTEMS ]
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ICS557-01
PCI-E
XPRESS
C
LOCK
S
OURCE
Description
The ICS557-01 is a clock chip designed for use in
PCI-Express Cards as a clock source. It provides a pair
of differential outputs at 100 MHz in a small 8-pin SOIC
package.
Using ICS’ patented Phase-Locked Loop (PLL)
techniques, the device takes a 25 MHz crystal input
and produces HCSL (Host Clock Signal Level)
differential outputs at 100 MHz clock frequency. LVDS
signal levels can also be supported via an alternative
termination scheme.
Features
Supports PCI-Express
TM
HCSL Outputs
0.7 V current mode differential pair
Supports LVDS Output Levels
Packaged in 8-pin SOIC
Available in Pb (lead) free package
Operating voltage of 3.3 V
Low power consumption
Input frequency of 25 MHz
Short term jitter 100 ps (peak-to-peak)
Output Enable via pin selection
Industrial temperature range available
Block Diagram
VDD
Phase Lock
Loop
X1
25 MHz
crystal /clock
X2
Clock
Buffer/
Crystal
Oscillator
CLK
CLK
Crystal Tuning Capacitors
GND
OE
R
R
(IREF)
MDS 557-01 F
I n t e gra te d C i r c u i t S y s t e m s
1
525 Race Stre et, San Jo se, CA 9 5126
Revision 011606
te l (40 8) 2 97-12 01
w w w. i c st . c o m