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ICS307M-02LFTPBF
DATASHEET ICS307-01/-02 SERIALLY PROGRAMMABLE CLOCK SOURCE Description Features The ICS307-01 and ICS307-02 are versatile serially programmable clock sources which take up very little board space. They can generate any frequency from 6 to 200 MHz and have a second configurable output. The outputs can be reprogrammed on the fly and will lock to a new frequency in 10 ms or less. Smooth transitions (in which the clock duty cycle remains near 50%) are guaranteed if the output divider is not changed. • Packaged in 16-pin (150 mil wide) SOIC • ICS307M-02 and -02I available in Pb (lead) free package • Highly accurate frequency generation • Serially programmable: user determines the output frequency via a 3 wire interface • • • • • • • • The devices includes a PDTS pin which tri-states the output clocks and powers down the entire chip. The ICS307-02 features a default clock output at start-up and is recommended for all new designs. 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 nor guaranteed. For applications which require defined input to output skew, use the ICS527-01. Eliminates need for custom quartz Input crystal frequency of 5 - 27 MHz Output clock frequencies up to 200 MHz Power down tri-state mode Very low jitter Operating voltage of 3.3 V or 5 V 25 mA drive capability at TTL levels Industrial temperature version available NOTE: EOL for non-green parts to occur on 5/13/10 per PDN U-09-01 Block Diagram VDD TTL SCLK DATA Shift Register 2 C1:C0 3 S2:S0 2 STROBE F1:F0 7 R6:R7 X1/ICLK Crystal or clock input V8:V0 9 Crystal Oscillator Reference Divider X2 VCO Divider CLK1 Phase Comparator, Charge Pump, and Loop Filter VCO Output Divider PDTS Function Select 3 S2:S0 Optional crystal capacitors CLK2 3 F1:F0 GND IDT™ / ICS™ SERIALLY PROGRAMMABLE CLOCK SOURCE 1 ICS307-01/-02 REV H 090209
IDT
Integrated Device Technology, Inc.
U.S.A
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