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CY25812

Part Number	CY25812
Manufacturer	Cypress Semiconductor
Description	Spread Spectrum Clock Generator
Published	Mar 24, 2010
Detailed Description	CY25811/12/14 Spread Spectrum Clock Generator Spread Spectrum Clock Generator Features ■ 4 to 32 MHz input frequency ra...
Datasheet	CY25812 PDF File

Overview

CY25811/12/14 Spread Spectrum Clock Generator Spread Spectrum Clock Generator Features ■ 4 to 32 MHz input frequency range ■ 4 to 128 MHz output frequency range ■ Accepts clock, crystal, and resonator inputs ■ 1x, 2x, and 4x frequency multiplication: ❐ CY25811: 1x; CY25812: 2x; CY25814: 4x ■ Center and Down Spread modulation ■ Low power dissipation: ❐ 3.
3V = 52 mW - typ at 6 MHz ❐ 3.
3V = 60 mW - typ at 12 MHz ❐ 3.
3V = 72 mW - typ at 24 MHz ■ Low cycle-to-cycle jitter: ❐ 8 MHz = 480 ps-max ❐ 16 MHz = 400 ps-max ❐ 32 MHz = 450 ps-max ■ Available in 8-pin SOIC and TSSOP packages ■ Commercial and industrial temperature ranges Applications ■ Printers and MFPs ■ LCD panels ■ Digital copiers ■ PDAs ■ CD-ROM, VCD, and DVD ■ Networking, LAN, and WAN ■ Scanners ■ Modems ■ Embedded digital systems Benefits ■ Peak EMI reduction by 8 to 16 dB ■ Fast time to market ■ Cost reduction Functional Description For a complete list of related documentation, click here.
Logic Block Diagram 300K XIN 1 8pF XOUT 8 8pF VDD 7 VSS 2 REFERENCE DIVIDER PD and CP LF MODULATION CONTROL 6 FRSEL INPUT DECODER LOGIC 34 S1 S0 VCO COUNTE R VCO COUNTER and MUX 5 SSCLK Cypress Semiconductor Corporation • 198 Champion Court Document Number: 38-07112 Rev.
*N • San Jose, CA 95134-1709 • 408-943-2600 Revised May 24, 2017 CY25811/12/14 Contents Pin Configuration .
3 Pin Definitions .
3 Functional Overview .
3 Input Frequency Range and Selection .
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3 Spread Percentage Selection .
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4 Input and Output Frequency Selection .
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5 Absolute Maximum Conditions .
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6 DC Electrical Specifications .
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6 DC Electrical Specifications .
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