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ICS650G-40

Integrated Circuit Systems
Part Number ICS650G-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...
Datasheet PDF File ICS650G-40 PDF File

ICS650G-40
ICS650G-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 crystal capacitors MDS 650-40 C I n t e gra te d C i r c u i t S y s t e m s ● 1 525 Race Stre et, San Jo se, CA 9 5126 ● Revision 060705 te l (40 8) 2 97-12 01 ● w w w.
i c st .
c o m ICS650-40 ETHERNET SWITCH CLOCK SOURCE Pin Assignment X1/ICLK VDD GND VDDOA CLKA CLKB VDDOB GND 1 2 3 4 5 6 7 8 ...


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