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DUMMYKCF512M

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DATASHEET ICS512 LOCO™ PLL CLOCK MULTIPLIER Description Features The ICS512 is the most cost effective way to generate a high-quality, high frequency clock output and a reference clock from a lower frequency crystal or clock input. The name LOCO stands for Low Cost Oscillator, as it is designed to replace crystal oscillators in most electronic systems. Using Phase-Locked-Loop (PLL) techniques, the device uses a standard fundamental mode, inexpensive crystal to produce output clocks up to 200 MHz. With a reference output, this chip plus an inexpensive crystal can replace two oscillators • Packaged as 8-pin SOIC or die • Available in Pb (lead ) free package • Upgrade of popular ICS502 with: — changed multiplier table — higher operating frequncies • • • • • • • • • • • Stored in the chip’s ROM is the ability to generate nine different multiplication factors, allowing one chip to output many common frequencies (see table on page 2). This product is intended for clock generation. It has low output jitter (variation in the output period), but input to output skew and jitter are not defined or guaranteed. For applications which require defined input to output skew, use the ICS570B. Zero ppm multiplication error Easy to cascade with other 5xx series Input crystal frequency of 5 - 27 MHz Input clock frequency of 2 - 50 MHz Output clock frequencies up to 200 MHz Compatible with all popular CPUs Duty cycle of 45/55 up to 200 MHz Mask option for nine selectable frequencies Operating voltages of 3.0 to 5.5 V Industrial temperature version available Advanced, low power CMOS process NOTE: EOL for non-green parts to occur on 5/13/10 per PDN U-09-01 Block Diagram VDD S1, S0 X1/ICLK Crystal or Clock input X2 Optional crystal capacitors IDT™ / ICS™ LOCO™ PLL CLOCK MULTIPLIER 2 PLL Clock Synthesis and Control Circuitry Crystal Oscillator CLK REF GND 1 ICS512 REV G 092209

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