54ACTQ827FMQB

Overview

The 54ACTQ827FMQB is a 10-bit buffer and line driver manufactured by National Semiconductor. It features non-inverting outputs with three-state capability, allowing for effective bus-oriented transmission and reception. The device operates within a supply voltage range of 4.5V to 5.5V and supports output currents of 24mA in both high and low states. Designed for robust performance, it functions across an extended temperature range from -55°C to 125°C. The component is housed in a 24-pin Flat Pack (FP) surface-mount package, suitable for demanding industrial and military applications requiring reliable signal buffering.

Feature Summary

• Provides ten-channel non-inverting buffering with three-state output control for efficient bus management
• Engineered with Quiet Series technology to minimize switching noise and electromagnetic interference
• Capable of driving heavy loads with 24mA output current strength for reliable signal integrity
• Rated for extended industrial and military temperature environments up to 125°C

Applications

• Bus-oriented transmitter and receiver circuits
• Memory address drivers
• Clock distribution networks
• High-density digital systems requiring noise reduction

Procurement Notes

Verify the manufacturer origin, as National Semiconductor assets are now part of Texas Instruments. Confirm the specific suffix FMQB corresponds to the ceramic or specified package variant required for your design. Ensure compliance with RoHS directives if applicable, noting that some legacy military-grade parts may have different regulatory statuses. Cross-reference the datasheet revision to confirm pinout and electrical characteristics match your schematic requirements before finalizing orders.

Selection Notes

Select this component when a 10-bit wide buffer with three-state isolation is required. It is appropriate for designs needing higher drive strength than standard logic families provide. Consider the 24-pin flat pack package constraints for PCB layout. Verify that the operating voltage range aligns with the system's 5V power rails. This part is suitable for applications where noise immunity and wide temperature operation are critical specifications.

Part Context

This device belongs to the ACTQ series, which combines advanced CMOS technology with quiet switching characteristics. The 'Q' designation typically indicates radiation hardness or enhanced reliability features suitable for harsh environments. As a 10-bit configuration, it offers a compact solution compared to using multiple smaller buffers, reducing board space and interconnect complexity in large-scale digital architectures.

Replacement Considerations

Check for direct equivalents such as the 54ACTQ827 without the FMQB suffix if package variations exist. Verify compatibility with other Quiet Series components like the 54ACTQ244 for similar buffering needs. Ensure substitute parts maintain the same 24-pin footprint and electrical ratings to avoid redesign efforts.