CY7B991-2JXC

Overview

The CY7B991-2JXC is a clock buffer and driver manufactured by Cypress Semiconductor Corp, belonging to the RoboClock series. It features an 8:8 input-to-output ratio with differential TTL inputs and outputs. The device supports a maximum frequency of 80 MHz and operates on a single 4.5V to 5.5V supply voltage. Housed in a 32-LCC (J-Lead) surface-mount package, it functions as a single-circuit buffer/driver designed for high-speed signal distribution within specified industrial temperature ranges.

Feature Summary

• 8:8 Input/Output Ratio
• Differential TTL Inputs and Outputs
• 80 MHz Maximum Frequency
• 4.5V to 5.5V Supply Voltage

Applications

• High-speed clock distribution networks
• System synchronization circuits
• Digital signal processing interfaces

Procurement Notes

Verify component authenticity through authorized distributors or certified suppliers. Confirm package integrity upon receipt, as the 32-PLCC housing requires careful handling during inspection. Ensure storage conditions align with manufacturer guidelines to prevent moisture damage prior to soldering.

Selection Notes

Select this component when an 8-channel buffered clock output with differential signaling is required. Verify that the system logic levels match the specified TTL standards. Ensure the operating environment remains within the 0°C to 70°C range and that the power supply strictly adheres to the 4.5V–5.5V specification.

Part Context

This part belongs to the RoboClock family of clock management devices from Cypress Semiconductor. These components are engineered for precise timing control and signal integrity in complex digital systems, offering reliable performance for buffering and driving clock signals across multiple loads.