ics409. Integrated Device Technology, ics409. Datasheet

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ics409.

Manufacturer Part Number
ics409.
Description
Pc Peripheral Clock
Manufacturer
Integrated Device Technology
Datasheet
PC PERIPHERAL CLOCK
IDT™ / ICS™ 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.
Block Diagram
14.31818 MHz
Fundamental
Crystal
X1
X2
Oscillator
Crystal
GND
VDD
1
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
PLL
OE/LAT
25M
40/80M
25M
ICS409
DATASHEET
ICS409
REV C 111005

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ics409. Summary of contents

Page 1

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 ...

Page 2

ICS409 PC PERIPHERAL CLOCK Pin Assignment Pin ...

Page 3

... Absolute Maximum Ratings Stresses above the ratings listed below can cause permanent damage to the ICS409. These ratings, which are standard values for ICS commercially rated parts, are stress ratings only. Functional operation of the device at these or any other conditions above those indicated in the operational sections of the specifications is not implied ...

Page 4

ICS409 PC PERIPHERAL CLOCK DC Electrical CharacteristicsDC Electrical Characteristics (continued) VDD=3.3V ±10% Parameter Operating Voltage Input High Voltage Input Low Voltage Output High Voltage Output Low Voltage Operating Supply Current Short Circuit Current Suggested Pull-up or Pull-down resistor on pin ...

Page 5

ICS409 PC PERIPHERAL CLOCK Package Outline and Package Dimensions Package dimensions are kept current with JEDEC Publication No Ordering Information Part / Order Number ICS409M ...

Page 6

... Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice. IDT and the IDT logo are trademarks of Integrated Device Technology, Inc. Accelerated Thinking is a service mark of Integrated Device Technology, Inc. All other brands, product names and marks are or may be trademarks or registered trademarks used to identify products or services of their respective owners ...

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