CY74FCT240CTSOCG4

Overview

The CY74FCT240CTSOCG4 is an octal buffer and line driver manufactured by Texas Instruments, belonging to the FCT logic series. It features eight inverting inputs with three-state outputs housed in a 20-pin SOIC package. The device operates within a supply voltage range of 4.75 V to 5.25 V. Key electrical parameters include a high-level output current of -32 mA and a low-level output current of 64 mA. Propagation delay is specified at 8 ns at 5 V. It supports surface-mount installation and functions reliably across an operating temperature range from -40°C to +85°C.

Feature Summary

• Provides octal buffering and line driving capabilities with inverted signal polarity for data path management.
• Integrates three-state outputs to facilitate bus-oriented architectures and system isolation.
• Utilizes CMOS technology within the FCT series to ensure TTL-compatible input levels and robust drive strength.

Applications

• Bus-oriented systems requiring signal buffering and direction control
• Clock drivers and buffer circuits for timing distribution
• Memory address and data register drivers

Procurement Notes

Verify the specific suffix 'CG4' against the manufacturer's official documentation to confirm lead-free compliance and RoHS status. Ensure the package designation matches the required SOIC-20 footprint for PCB layout compatibility. Cross-reference the full part number with the latest datasheet revision to validate active status and any potential obsolescence notices prior to procurement.

Selection Notes

Select this component when designing systems that require high-speed octal buffering with inverting functionality. The FCT series offers a balance of speed and power consumption suitable for 5V logic applications. Consider the 8 ns propagation delay and 64 mA low-level sink capability for driving moderate capacitive loads on shared buses or peripheral interfaces.

Part Context

This part belongs to the Texas Instruments CY74FCT240T family of octal buffers and line drivers. The FCT series is designed to bridge the performance gap between standard TTL and advanced CMOS technologies. Variants within this family typically differ by package type, speed grade, and environmental compliance markings, sharing the core logical function of eight-channel inversion with tri-state control.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify compatibility with alternative octal buffers such as the CY74FCT240ATSOCT only if electrical specifications and pinouts match exactly.