74LCXH162244MTX

Overview

The 74LCXH162244MTX is a low-voltage 16-bit buffer and line driver featuring non-inverting logic with three-state outputs. It incorporates bus-hold circuitry to eliminate floating inputs, ensuring stable operation in high-impedance states. Designed for memory and address drivers, clock drivers, and porting CMOS devices to TTL, it operates within a voltage range of 2.3V to 3.6V. The component utilizes a 48-lead Thin Shrink Small Outline Package (TSSOP) compliant with JEDEC standards.

Feature Summary

• Integrates bus-hold circuitry to prevent input floating and ensure defined logic levels during high-impedance states.
• Provides sixteen non-inverting buffers with three-state outputs suitable for driving buses and memory interfaces.
• Engineered for compatibility between CMOS and TTL logic families while maintaining low power consumption.

Applications

• Memory address and data bus drivers
• Clock signal distribution and buffering
• CMOS to TTL level translation interfaces

Procurement Notes

Verify the manufacturer designation, as Fairchild Semiconductor has undergone corporate restructuring and integration into ON Semiconductor. Confirm that the ordering suffix matches the specific package variant required. Ensure compliance with RoHS directives and check moisture sensitivity levels for proper handling and storage conditions prior to assembly.

Selection Notes

Select this component when a 16-bit wide interface requires non-inverting buffering with three-state control. The inclusion of bus-hold functionality makes it suitable for applications where inputs may remain unconnected without causing noise or excessive current draw. Verify that the supply voltage aligns with the 2.3V to 3.6V operating range.

Part Context

This device belongs to the LCXH family of low-voltage CMOS logic components. It shares functional similarities with other 16-bit bus drivers but is distinguished by its specific bus-hold feature and voltage specifications. The MTX suffix indicates the 48-lead TSSOP package configuration used for surface-mount applications.

Replacement Considerations

Check for equivalents such as the 74LVC162244 or 74ALVC162244 if voltage levels differ. Verify pinout compatibility before substituting with other 16-bit bus drivers from different manufacturers.

FAQ

What is the function of the bus-hold circuitry?

Bus-hold circuitry latches the last valid logic state at the input, preventing the input pins from floating when the device is in a high-impedance state.

Is this device inverting or non-inverting?

The 74LCXH162244MTX contains non-inverting buffers, meaning the output logic state follows the input state.