DATASHEET
PC PERIPHERAL CLOCK
ICS411
IDT / ICS PC PERIPHERAL CLOCK
1
ICS411
REV E 051310
Description
The ICS411 is a cost-effective clock synthesizer
developed to optimize component count for PC
motherboard and peripheral applications. The device
supports a common, low cost 14.31818 MHz crystal.
The device locks all output frequencies to enhance
system performance. By supporting common PC
peripheral interface frequencies including 25 MHz for
Ethernet and 24.576 MHz for audio and other
applications, the device lowers chip count enhancing
system cost and reliability.
The ICS411 utilizes a low pin count 8-pin SOIC
package to optimize board space.
IDT 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
Low operating voltage of 3.3 V
Accepts 14.31818 MHz clock input to lower jitter
Fixed dual 25 MHz clocks for Ethernet
Fixed 24.576 MHz clock
Power consumption of 15 mA (typ) extends battery
life
Duty cycle of 45 to 55% (24.576M)
Packaged in 8-pin SOIC (Pb-free)
Contact IDT for custom frequency requirements
Block Diagram
24.576M
IC L K
14.31818 M H z
PL L
25M
VD D
GND
2
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