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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 roughly 50%) are guaranteed if the output divider is not changed.
The devices include 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.
ICS307 Maximum Ratings
Parameter
Conditions
Minimum
Typical
Maximum
Units
Supply Voltage, VDD
Referenced to GND
7
V
Inputs
Referenced to GND
-0.5
VDD+0.5
V
Clock Output
Referenced to GND
-0.5
VDD+0.5
V
Ambient Operating Temperature
0
70
Ambient Operating Temperature, Industrial
I version
-40
85
Soldering Temperature
Max of 10 seconds
260
Storage temperature
-65
150
ICS307 Features
• Packaged as 16 pin narrow SOIC • 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 voltages of 3.0 to 5.5 V • 25 mA drive capability at TTL levels • Industrial temperature available