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CY3672

Cypress Semiconductor
Part Number CY3672
Manufacturer Cypress Semiconductor
Description Three-PLL General Purpose FLASH Programmable Clock Generator
Published Mar 26, 2005
Detailed Description CY22381 Three-PLL General Purpose FLASH Programmable Clock Generator Features • Three integrated phase-locked loops • U...
Datasheet PDF File CY3672 PDF File

CY3672
CY3672

Overview
CY22381 Three-PLL General Purpose FLASH Programmable Clock Generator Features • Three integrated phase-locked loops • Ultra-wide divide counters (eight-bit Q, eleven-bit P, and seven-bit post divide) • Improved linear crystal load capacitors • Flash programmability • Field programmability • Low-jitter, high-accuracy outputs • Power-management options (Shutdown, OE, Suspend) • Configurable crystal drive strength • Frequency select option via external LVTTL Input • 3.
3V operation • Eight-pin SOIC package • CyClocks RT™ support • Non-volatile programming enables easy customization, ultra-fast turnaround, performance tweaking, design timing margin testing, inventory control, lower part count, and more secure product supply.
Can also be programmed multiple times which reduces programming errors and provides an easy upgrade path for existing designs • In-house programming of samples and prototype quantities is available using the CY3672 FTG development Kit.
Production quantities are available through Cypress’s value-added distribution partners or by using third party programmers from BP Microsystems, HiLo Systems, and others.
• Performance suitable for high-end multimedia, communications, industrial, A/D converters, and consumer applications • Supports numerous low-power application schemes and reduces EMI by allowing unused outputs to be turned off • Adjust crystal drive strength for compatibility with virtually all crystals • External frequency select option for PLL1, CLKA, and CLKB • Industry standard supply voltage • Industry standard packaging saves on board space • Easy-to-use software support for design entry Benefits • Generates up to three unique frequencies on three outputs up to 200 MHz from an external source.
Functional upgrade for current CY2081 family.
• Allows for 0 ppm frequency generation and frequency conversion under the most demanding applications • Improves frequency accuracy over temperature, age, process, and initial offset Logic Block Diagram ...


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