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ICS650-40

Integrated Circuit Systems
Part Number ICS650-40
Manufacturer Integrated Circuit Systems
Description ETHERNET SWITCH CLOCK SOURCE
Published Apr 27, 2006
Detailed Description ICS650-40 ETHERNET SWITCH CLOCK SOURCE Description The ICS650-40 is a clock chip designed for use in Ethernet Switch app...
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ICS650-40
ICS650-40


Overview
ICS650-40 ETHERNET SWITCH CLOCK SOURCE Description The ICS650-40 is a clock chip designed for use in Ethernet Switch applications.
Using ICS’ patented Phase-Locked Loop (PLL) techniques, the device takes a 25 MHz crystal input and produces various output clock frequencies as listed in Output Select Table.
Features • • • • • • • Packaged in 16-pin TSSOP Available in Pb (lead) free package Operating voltage of 3.
3 V Low power consumption Input frequency of 25 MHz Low long-term jitter 2.
5 V to 3.
3 V clock outputs Block Diagram VDD 3 VDDOA S1:S0 2 Control Logic CLKA Phase Lock Loop CLKB X1/ICLK 25 MHz crystal or clock X2 Clock Buffer/ Crystal Oscillator 4 GND OE VDDOB Optional tuning cry...



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