CY25568_11 datasheet(9/14 Pages) CYPRESS

Part #	CY25568

Description	Spread Spectrum Clock Generator 4 to 32 MHz Input frequency range

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Manufacturer	CYPRESS [Cypress Semiconductor]

Direct Link	http://www.cypress.com

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CY25568

Document Number: 38-07111 Rev. *D

Page 9 of 14

SSCG Profiles

The CY25568 uses a non-linear frequency profile as shown in Figure 7. The use of Cypress proprietary “optimized” frequency profile

maintains flat energy distribution over the fundamental and higher order harmonics. This results in additional EMI reduction in

electronic systems.

Figure 7. Spread Spectrum Profiles (Frequency versus Time)

Xin = 6.0 MHz

SSCLK1 = 6.0 MHz

S1, S0 = 0

D1, D0 = 1

Xin = 24.0 MHz

SSCLK1 = 24.0 MHz

S1, S0 = 0

D1, D0 = 1

Xin = 12.0 MHz

SSCLK1 = 48.0 MHz

S1, S0 = 0

D1, D0 = 1

Xin = 24.0 MHz

SSCLK1 = 96.0 MHz

S1, S0 = 0

D1, D0 = 1

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