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FS782

Cypress Semiconductor
Part Number FS782
Manufacturer Cypress Semiconductor
Description (FS781 - FS784) Low EMI Spectrum Spread Clock
Published Jan 26, 2007
Detailed Description www.DataSheet4U.com FS781/82/84 Low EMI Spectrum Spread Clock Features • Spread Spectrum clock generator (SSCG) with 1...
Datasheet PDF File FS782 PDF File

FS782
FS782

Overview
www.
DataSheet4U.
com FS781/82/84 Low EMI Spectrum Spread Clock Features • Spread Spectrum clock generator (SSCG) with 1×, 2×, and 4× outputs • 6- to 82-MHz operating frequency range • Modulates external clocks including crystals, crystal oscillators, or ceramic resonators • Programmable modulation with simple R-C external loop filter (LF) • Center spread modulation • 3V-5V power supply • TTL-/CMOS-compatible outputs • Low short-term jitter • Low-power Dissipation — 3.
3 VDC = 37 mW – typical — 5.
0 VDC = 115 mW – typical • Available in 8-pin SOIC and TSSOP packages Functional Description The Cypress FS781/82/84 are Spread Spectrum clock generator ICs (SSCG) designed for the purpose of reducing electromagnetic interference (EMI) found in today’s high-speed digital systems.
The FS781/82/84 SSCG clocks use a Cypress-proprietary technology to modulate the input clock frequency, XIN, by modulating the frequency of the digital clock.
By modulating the reference clock the measured EMI at the ...


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