Cypress Semiconductor CY25566 Manual, Specification Sheet

2, Cypress Semiconductor CY25566 CY25566 Document #: 38-07429 Rev. *B Page 2 of 9 General Description The Cypress CY25566 is a Spread Spectrum Clock Generator (SSCG) IC used for the purpose of reducing electromagnetic interference (EMI) found in today’s high-speed digital electronic systems. The CY25566 uses a Cypr…

4, CY25566 Document #: 38-07429 Rev. *B Page 4 of 9 Modulation Rate Spread Spectrum clock generators utilize frequency modulation (FM) to distribute energy over a specific band of frequencies. The maximum frequency of the clock (Fmax) and minimum frequency of the clock (Fmin) determine this…

8, CY25566 Document #: 38-07429 Rev. *B Page 8 of 9 © Cypress Semiconductor Corporation, 2002. The information contained herein is subject to change without notice. Cypress Semiconductor Corporation assumes no responsibility for the use of any circuitry other than circuitry embodied in a Cypre…

5, CY25566 Document #: 38-07429 Rev. *B Page 5 of 9 Table 1. Frequency and Bandwidth Selection Chart (Group 1)(Low Frequency (1x) Selection Chart) 25–50 MHz (Low Range) XIN/CLK (MHz) S1 = M S0 = M S1 = M S0 = 0 S1 = 1 S0 = 0 S1 = 0 S0 = 0 S1 = 0 S0 = M 25–35 4.3 3.8 3.4 2.9 2.…

3, CY25566 Document #: 38-07429 Rev. *B Page 3 of 9 SSCLK1a/b SSCLK1a and SSCLK1b are spread spectrum clock outputs used for the purpose of reducing EMI in digital systems. SSCLK1a and SSCLK1b can be connected in several different ways to provide flexibility in application designs. E…