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ICS - PC PERIPHERAL CLOCK

Numéro de référence ICS409
Description PC PERIPHERAL CLOCK
Fabricant ICS 
Logo ICS 





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ICS409 fiche technique
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ICS409
PC PERIPHERAL CLOCK
Description
The ICS409 is a cost-effective clock synthesizer
developed to optimize component count for PC
peripheral applications. The device supports a
common, low cost 14.31818 MHz crystal using an
on-chip crystal oscillator. The device locks all output
frequencies to enhance system performance. By
supporting common PC peripheral interface
frequencies including dual 25 MHz and 40/80 MHz
frequencies the clock lowers chip count enhancing
system cost and reliability.
The ICS409 utilizes a low pin count 8-pin SOIC
package to optimize board space.
ICS is a leader in low jitter and power consumer
application clock sources. These devices are capable
of supporting CCD, video, audio, USB, CPU, and other
peripherals.
Features
Pin compatible with FS6286-01
Low operating voltage of 3.3V
On-chip oscillator supports 14.31818 MHz crystal
Fixed dual 25 MHz clocks for Ethernet
40/80 MHz selected on rising edge of OE/LAT pin
Power consumption of 15 mA (typ)
Duty cycle of 45 to 55%
Packaged in 8-pin SOIC
Available in Pb (lead) free package
Block Diagram
X1
1 4 .3 1 8 1 8 M H z
F u n d a m e n ta l
C ry s ta l
X2
VDD
C ry s ta l
O s c illa to r
PLL
GND
O E /L A T
25M
4 0 /8 0 M
25M
MDS 409 C
1
Revision 111005
Integrated Circuit Systems l 525 Race Street, San Jose, CA 95126 l tel (408) 297-1201 l www.icst.com

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