MM74HCT244MTC

Buffers, Drivers, Receivers, Transceivers Overview

The MM74HCT244MTC is an octal buffer and line driver manufactured by Fairchild Semiconductor, belonging to the HCT logic series. It features eight non-inverting inputs and outputs with three-state capability. The device operates within a supply voltage range of 4.5 V to 5.5 V. Key electrical parameters include a propagation delay of 28 ns at 5 V, high-level output current of -7.2 mA, and low-level output current of 7.2 mA. Static current is specified at 4 uA, with a maximum power dissipation of 500 mW. It functions reliably across an operating temperature range from -40°C to +85°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides octal buffering with three-state output control for bus-oriented systems
• Ensures compatibility with TTL-driven systems through HCT logic level standards
• Delivers high-speed signal transmission with defined propagation characteristics

Buffers, Drivers, Receivers, Transceivers Applications

• Bus-oriented memory and address drivers
• Clock distribution buffers
• Signal routing in digital communication interfaces

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the manufacturer designation as Fairchild Semiconductor or its successor entities during sourcing. Confirm the package type matches TSSOP-20 specifications. Ensure the part number suffix aligns with the required tape and reel or tube packaging format. Cross-reference RoHS compliance status with current regulatory requirements before finalizing procurement orders.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing circuits requiring octal buffering with three-state outputs. It is suitable for applications needing interface between microprocessors and memory devices. Consider the HCT logic family for direct compatibility with TTL signals. Evaluate thermal management needs given the 500 mW power dissipation limit in enclosed environments.

Buffers, Drivers, Receivers, Transceivers Part Context

This component belongs to the MM74HCT244 series of octal buffers. It shares functional similarities with other HCT series devices but offers specific pinout and performance characteristics tailored for bus driving applications. The device is part of a broader portfolio of logic ICs designed for general-purpose digital switching and signal conditioning tasks.