CY7B9940V-2AXC

Clock Generators, PLLs, Frequency Synthesizers Overview

The CY7B9940V-2AXC is a high-speed multi-frequency PLL clock buffer from the Cypress 7B series. It features eight true outputs and zero inverted outputs, designed for precise clock distribution in complex digital systems. The device utilizes a Phase-Locked Loop (PLL) architecture to generate stable clock signals with low jitter characteristics. It is housed in a 44-pin Thin Quad Flat Package (TQFP), measuring 10 x 10 mm with a height of 1.40 mm. This component supports multiple frequency configurations, making it suitable for applications requiring flexible clocking solutions across various system buses.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Integrates a Phase-Locked Loop (PLL) circuit for generating stable clock signals with reduced jitter.
• Provides eight dedicated true output channels for distributing clock signals to multiple components.
• Supports multi-frequency operation, allowing configuration for diverse system timing requirements.
• Utilizes a compact TQFP-44 package design to facilitate surface-mount assembly on printed circuit boards.

Clock Generators, PLLs, Frequency Synthesizers Applications

• High-performance computer systems requiring precise clock synchronization.
• Telecommunications equipment needing low-jitter signal distribution.
• Industrial control systems utilizing multiple synchronous data buses.

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the manufacturer origin carefully, as this part number appears in listings from both Cypress Semiconductor and Rochester Electronics. Confirm the specific datasheet version matches your design requirements. Ensure the package type corresponds exactly to the TQFP-44 specification. Check for any obsolescence notices or lifecycle status updates before finalizing procurement plans.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when a single-chip solution for multi-frequency clock generation and distribution is required. The eight-output capacity suits designs driving numerous synchronous loads. Consider the TQFP-44 footprint constraints during PCB layout. Evaluate the PLL performance against system jitter budgets to ensure compatibility with sensitive digital interfaces.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This component belongs to the Cypress 7B series of clock drivers. These devices are engineered for high-speed digital applications requiring reliable clock management. The series typically offers various pin counts and output configurations to address different system complexity levels. The CY7B9940V variant specifically focuses on providing multiple buffered outputs derived from a phase-locked loop input.

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

Publicly confirmed substitute part numbers for the CY7B9940V-2AXC were not identified in the available verified documentation. Cross-referencing with other members of the 7B series may provide functional alternatives, but direct pin-to-pin replacements require verification against official replacement lists.