CY223811FSI-AESA Datasheet

Three-PLL General Purpose FLASH Programmable Clock Generator


Functional Description
The CY22381 is the next-generation programmable Flash programmable clock for use in networking, telecommunication, datacom, and other general-purpose applications. The CY22381 offers up to three configurable outputs in a 8-pin SOIC, running off a 3.3 V power supply. The on-chip reference oscillator is designed to run off an 8–30-MHz crystal, or a 1–166-MHz external clock signal. The CY22381 has a three PLLs driving 3 programmable output clocks. The output clocks are derived from the PLL or the reference frequency (REF). Output post dividers are available for either. The CY223811 is the CY22381 with NiPdAu lead finish.

■ 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 through external LVTTL Input
■ 3.3 V operation
■ 8-pin small outline integrated circuit (SOIC) package (CY22381)
■ 8-pin SOIC package with NiPdAu lead finish (CY223811)
■ CyClocks RT™ support




Manufacturer information


Cypress Semiconductor - Cypress targets innovative markets growing faster than the overall semiconductor industry, including key segments of the automotive, industrial, home automation and appliances, medical products and consumer electronics businesses. With the help of Digi-Key Electronics, we supply customers with market-leading solutions based on our MCUs, wireless SoCs, memories, analog ICs and USB controllers. Our world-class wireless technology gives us an unparalleled position in the fast-growing Internet of Things, a business that cuts across our conventional markets and gives us a stake in exciting, next-generation segments such as connected and autonomous cars.

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