JM54AC244B2A-RH

Overview

The JM54AC244B2A-RH is a bus driver from the AC series, manufactured by National Semiconductor. It features two functions with four bits per function, providing true output characteristics. The device utilizes CMOS technology and is housed in a CQCC20 ceramic LCC-20 package. Key electrical parameters include a maximum low-level output current of 0.012 A. The component supports an operating temperature range from -55 °C to 125 °C and employs low-enable control logic.

Feature Summary

• Provides high-speed data buffering via dual four-bit configuration
• Features three-state outputs for effective bus line management
• Constructed using robust CMOS technology within a sealed ceramic package

Applications

• High-performance digital signal processing systems
• Military-grade aerospace instrumentation
• Industrial control environments requiring wide temperature stability

Procurement Notes

Verify the specific suffix B2A-RH against official manufacturer documentation to confirm exact pinout and qualification status. Ensure compatibility with existing system voltage levels and thermal requirements before integration. Cross-reference datasheets for precise mechanical dimensions and handling instructions.

Selection Notes

Select this component when designing systems that require military-grade reliability and extended temperature operation. The ceramic packaging offers superior protection compared to plastic alternatives. Verify that the AC series speed and drive capabilities align with the target circuit's timing constraints.

Part Context

This part belongs to the 54AC family of logic devices, which are designed for high-speed applications. The '54' prefix typically indicates military-grade qualification standards. National Semiconductor, now part of Texas Instruments, produced this series to meet demanding performance criteria in harsh environments.

Replacement Considerations

Check for direct equivalents such as the standard 54AC244 variants. Verify pin compatibility and electrical specifications carefully. Consider the availability of newer generations from Texas Instruments if sourcing from original manufacturers.