'VERSACLOCK' related articles 1

  1. 2008/07/19 ICS251 - FIELD PROGRAMMABLE SS VERSACLOCK SYNTHESIZER
Description
The ICS251 is a low cost, single-output, field programmable clock synthesizer.
The ICS251 can generate an output frequency from 314 kHz to 200 MHz and may employ
Spread Spectrum techniques to reduce system electro-magnetic interference (EMI).
Using ICS’ VersaClock™ software to configure the PLL and output, the ICS251 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 ICS251 is also available in factory programmed custom versions for high-volume applications.

Features
* 8-pin SOIC package
* Four 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 RoHS compliant packagingFeatures
* 8-pin SOIC package
* Four 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 RoHS compliant packaging

ICS251PM
ICS251PMI
ICS251PMLF
ICS251PMILF

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