74LCXH162244MTD

Overview

The Fairchild Semiconductor 74LCXH162244MTD is a low voltage 16-bit buffer and line driver featuring non-inverting outputs with three-state capability. It integrates bus-hold circuitry to maintain stable logic levels on floating inputs, ensuring reliable signal integrity in high-density digital systems. The device operates within a supply voltage range of 1.65V to 3.6V, supporting modern low-power logic families. Packaged in a 48-lead Thin Shrink Small Outline Package (TSSOP), it provides compact footprint solutions for space-constrained designs. Designed for memory address drivers, clock distribution, and bidirectional bus management, this component delivers high-speed performance with controlled slew rates to minimize electromagnetic interference.

Feature Summary

• Integrates bus-hold circuitry to prevent floating inputs and maintain defined logic states without external pull-up or pull-down resistors
• Provides three-state outputs allowing multiple drivers to share a common bus structure efficiently
• Supports low voltage operation compatible with 1.8V and 3.3V logic systems for power-sensitive applications

Applications

• Memory address and data bus driving in embedded systems
• Clock signal distribution networks requiring stable timing
• Bidirectional bus architecture management in communication interfaces

Procurement Notes

Verify the specific orderable part number suffix against current Fairchild or ON Semiconductor documentation, as integration may affect availability. Confirm package marking codes match the 48-lead TSSOP specification. Ensure compliance with RoHS directives if required by your manufacturing standards. Cross-reference the datasheet revision date to confirm technical parameters have not been updated. Validate that the supplier provides original manufacturer packaging to guarantee component authenticity and storage history integrity.

Selection Notes

Select this component when designing systems requiring 16-bit parallel data handling with low voltage compatibility. The integrated bus-hold feature simplifies board layout by eliminating external termination components. Consider the 48-lead TSSOP package constraints regarding thermal dissipation and pin pitch during PCB design. Ensure the operating voltage aligns with the system's 1.65V to 3.6V range. This device is suitable for applications prioritizing signal integrity and reduced component count in high-density digital environments.

Part Context

This component belongs to the LCXH series, which specializes in low-voltage CMOS logic devices. The series is engineered for compatibility with both 1.8V and 3.3V systems, bridging legacy and modern logic standards. As part of the Fairchild Semiconductor portfolio, now integrated into ON Semiconductor, these parts are widely used in consumer electronics, industrial controls, and computing hardware. The 16-bit configuration offers significant parallel processing capabilities in a single integrated circuit.

Replacement Considerations

Check for direct equivalents such as the 74LCXH162244 in alternative packages like MTD48. Verify functional compatibility with other 16-bit low-voltage buffers from major manufacturers. Ensure pinout alignment and electrical characteristics match before substitution. Consult official cross-reference guides for any changes in bus-hold specifications or output drive strength.