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ICS307-01

Part Number	ICS307-01
Manufacturer	IDT
Description	SERIALLY PROGRAMMABLE CLOCK SOURCE
Published	Feb 26, 2015
Detailed Description	SERIALLY PROGRAMMABLE CLOCK SOURCE DATASHEET ICS307-01/-02 Description The ICS307-01 and ICS307-02 are versatile seria...
Datasheet	ICS307-01 PDF File

Overview

SERIALLY PROGRAMMABLE CLOCK SOURCE DATASHEET ICS307-01/-02 Description 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.
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.
Features • Packaged in 16-pin (150 mil wide) SOIC – Pb-free, RoHS compliant • Highly accurate frequency generation • Serially programmable: user determines the output frequency via a 3 wire interface • 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 Block Diagram SCLK DATA STROBE X1/ICLK Crystal or clock input X2 TTL 9 V8:V0 Shift Register 2 3 2 7 C1:C0 S2:S0 F1:F0 R6:R7 Crystal Oscillator Reference Divider Optional crystal capacitors VDD VCO Divider Phase Comparator, Charge Pump, and Loop Filter VCO GND Output Divider 3 S2:S0 Function Select 3 F1:F0 CLK1 PDTS CLK2 IDT™ / ICS™ SERIALLY PROGRAMMABLE CLOCK SOURCE 1 ICS307-01/-02 REV J 051310 ICS307-01/-02 SERIALLY PROGRAMMABLE CLOCK SOURCE SER PROG CLOCK SYNTHESIZER Pin Assignment X1/ICLK NC VDD NC GND CLK2 NC SCLK 1 2 3 4 5 6 7 8 16...

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