MM74HCT244MTCX

Buffers, Drivers, Receivers, Transceivers Overview

The MM74HCT244MTCX is an octal 3-state non-inverting buffer manufactured by onsemi. It operates within a supply voltage range of 4.5 V to 5.5 V and features eight input and eight output lines. The device utilizes CMOS logic technology in the HCT series, housed in a TSSOP-20 surface-mount package. 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 capability with three-state output control for efficient data bus management.
• Ensures TTL compatibility through HCT logic family standards for seamless interface with microprocessors.
• Supports surface-mount assembly via compact TSSOP-20 packaging for space-constrained designs.

Buffers, Drivers, Receivers, Transceivers Applications

• Data bus driver applications requiring high-speed signal transmission
• Clock distribution circuits for timing synchronization
• Memory address drivers for storage systems

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'MTCX' corresponds to the TSSOP-20 package and reel/cut-tape availability when sourcing. Confirm RoHS compliance status as indicated in official documentation. Ensure the ordering part number matches the exact manufacturer designation to avoid substitution errors during procurement.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems requiring octal buffering with TTL-compatible inputs. The HCT series ensures compatibility with standard TTL logic levels while offering CMOS performance characteristics. Consider the TSSOP-20 package constraints and thermal dissipation requirements relative to the 500 mW power rating for optimal integration.

Buffers, Drivers, Receivers, Transceivers Part Context

This component belongs to the MM74HCT244 series of octal buffers produced by onsemi. It serves as a fundamental building block in digital logic circuits, providing signal isolation and drive strength. The HCT variant specifically bridges the gap between older TTL standards and modern CMOS technologies, ensuring broad interoperability in mixed-logic environments.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.