CY74FCT244CTQCT

Overview

The CY74FCT244CTQCT is an octal buffer and line driver featuring three-state outputs, manufactured by Texas Instruments. It operates within a supply voltage range of 4.75 V to 5.25 V and supports a wide operating temperature range from -40 °C to +85 °C. The device utilizes CMOS logic technology and provides non-inverting signal transmission. Key electrical characteristics include a high-level output current of -32 mA and a low-level output current of 64 mA. The propagation delay is specified at 4.1 ns when measured at 5 V with a 50 pF load. The component is housed in a 20-pin SSOP package.

Feature Summary

• Provides eight independent non-inverting buffer channels for signal conditioning and line driving applications.
• Features three-state outputs that allow direct connection to bus-oriented systems without additional pull-up or pull-down resistors.
• Designed with CMOS technology to ensure low static power consumption while maintaining high-speed performance.

Applications

• Bus-oriented memory and I/O mapping systems
• Clock drivers and buffer circuits
• Multiplexer demultiplexer enable controls

Procurement Notes

Verify the specific manufacturer source, as the part number appears associated with both Cypress and Texas Instruments in public records. Confirm the package type matches the required SSOP variant and check for lead-free compliance markings such as E4 or G4 suffixes if environmental regulations apply. Ensure the operating temperature grade aligns with system requirements.

Selection Notes

Select this component for designs requiring high-drive capability and fast switching speeds in 5V logic environments. The FCT series offers compatibility with TTL input levels while utilizing CMOS output stages. Consider the 20-SSOP package constraints regarding thermal dissipation and board space when integrating into dense layouts.

Part Context

This device belongs to the 74FCT logic family, which bridges the speed of bipolar logic with the low power consumption of CMOS technology. It is functionally compatible with standard 74LS logic but offers significantly faster propagation delays. The octal configuration makes it suitable for parallel data transfer applications where multiple lines must be driven simultaneously.

Replacement Considerations

Publicly documented substitutes include CY74FCT244CTQCTE4 and CY74FCT244CTQCTG4, which represent lead-free variants of the same functional device.