ICS604 Datasheet, PDF (1/4 Pages) Integrated Circuit Systems – Intel Graphics Clock Source

PRELIMINARY INFORMATION
ICS604
Intel Graphics Clock Source
Description
The ICS604 is the most cost effective way to
generate high quality, high frequency clocks for
Intel’s latest generation of graphics controllers. It
provides 48 MHz for the graphics controller, a
24.576 MHz clock for video or audio, as well as a
14.31818 MHz buffered output for the system
clock. Using patented Phase-Locked-Loop (PLL)
techniques, the ICS604 requires only a standard
fundamental mode, inexpensive crystal.
ICS makes additional devices to meet multiple
graphic system requirements. If the 24.576 MHz
clock is not needed, use the ICS513. If additional
frequencies are required for different video
encoders and decoders, see the ICS614-01.
Features
• Packaged as 8 pin SOIC or die
• Compatible with Intel graphics controllers
• Zero ppm synthesis error on 48 MHz output
• Input frequency of 14.31818 MHz
• Output clock frequencies of 48 MHz,
24.576 MHz, plus 14.31818 MHz Reference
output
• Low jitter
• Operating voltages of 3.0 to 5.5 V
• Full CMOS-level outputs with 25 mA drive
capability at TTL levels
• Advanced, low power CMOS process
Block Diagram
VDDC GND
14.318 MHz
crystal or clock
X1/ICLK
X2
Crystal
Oscillator
PLL
Clock
Synthesis
and Control
Circuitry
VDDIO
Output
Buffer
Output
Buffer
Output
Buffer
48 MHz
24.576 MHz
14.318 MHz
MDS 604 A
1
Revision 022499
Printed 11/14/00
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