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ICS252

Part Number	ICS252
Manufacturer	Integrated Circuit Systems
Description	Field Programmable Dual Output SS VersaClock Synthesizer
Published	Jun 24, 2006
Detailed Description	www.DataSheet4U.com ICS252 Field Programmable Dual Output SS VersaClock Synthesizer Description The ICS252 is a low cos...
Datasheet	ICS252 PDF File

Overview

www.
DataSheet4U.
com ICS252 Field Programmable Dual Output SS VersaClock Synthesizer Description The ICS252 is a low cost, dual-output, field programmable clock synthesizer.
The ICS252 can generate two output frequencies from 314 kHz to 200 MHz using up to two independently configurable PLLs.
The outputs may employ Spread Spectrum techniques to reduce system electro-magnetic interference (EMI).
Using ICS’ VersaClock software to configure the PLL and output, the ICS252 contains a One-Time Programmable (OTP) ROM to allow field programmability.
Programming features include 4 selectable configuration registers.
The device employs Phase-Locked Loop (PLL) techniques to run from a standard fundamental mode, inexpensive crystal, or clock.
It can replace multiple crystals and oscillators, saving board space and cost.
The device also has a power-down feature that tri-states the clock outputs and turns off the PLLs when the PDTS pin is taken low.
The ICS252 is also available in factory programmed custom versions for high-volume applications.
™ Features • • • • • • • • • • • 8-pin SOIC package Two addressable registers Input crystal frequency of 5 to 27 MHz Clock input frequency of 3 to 150 MHz Output clock frequencies up to 200 MHz Configurable Spread Spectrum Modulation Operating voltage of 3.
3 V Replaces multiple crystals and oscillators Controllable output drive levels Advanced, low-power CMOS process Available in Pb (lead) free packaging www.
DataSheet4U.
com VDD Block Diagram SEL OTP ROM with PLL Values PLL1 Divide Logic and Output Enable Control CLK1 CLK2 PLL2 X1 Crystal X2 External capacitors are required.
GND Crystal Oscillator PDTS MDS 252 B Integrated Circuit Systems, Inc.
● 1 525 Race Street, San Jose, CA 95126 ● Revision 011606 tel (408) 297-1201 ● www.
icst.
com www.
DataSheet4U www.
DataSheet4U.
com 4U.
com www.
DataSheet4U.
com ICS252 Field Programmable Dual Output SS VersaClock Synthesizer Pin Assignment SEL VDD X1/ICLK X2 1 2 3 4 8 7 6 5 PDTS GND CLK2 C...

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