SNJ54LVTH245AFK

Overview

The SNJ54LVTH245AFK is a 3.3-V ABT octal bus transceiver featuring three-state outputs, designed for bidirectional data transfer between two buses. It operates within an extended temperature range of -55°C to 125°C and utilizes a 20-lead LCCC package. The device incorporates direction control for common control operation and supports a load capacitance of 50 pF. With a maximum low-level output current of 0.048 A, it ensures reliable signal integrity in high-performance digital systems requiring robust bus interfacing capabilities.

Feature Summary

• Provides bidirectional octal data transfer with three-state outputs for efficient bus management
• Features common direction control for synchronized data flow management across all channels
• Operates reliably in extreme environments with an extended temperature range from -55°C to 125°C

Applications

• High-reliability military and aerospace electronic systems
• Industrial control networks requiring wide temperature tolerance
• Automotive electronics operating under harsh environmental conditions

Procurement Notes

Verify the specific suffix 'FK' corresponds to the 20-LCCC package configuration when sourcing. Confirm that the component meets the required military-grade specifications for the -55°C to 125°C operating range. Ensure compatibility with 3.3-V logic levels and check for any specific handling requirements associated with ceramic packages in sensitive applications.

Selection Notes

Select this component when designing systems that demand high noise immunity and fast switching speeds typical of ABT technology. It is suitable for applications requiring bidirectional data transfer with strict timing constraints. Consider the 20-LCCC package for its thermal performance and mechanical stability in rugged environments compared to standard plastic packages.

Part Context

This part belongs to Texas Instruments' SN54 series, which is designated for military-grade reliability and extended temperature performance. The LVTH variant indicates Low Voltage TTL-compatible inputs with CMOS outputs, optimized for 3.3-V operation. It serves as a critical interface component in complex digital architectures where signal integrity and environmental resilience are paramount.

Replacement Considerations

SNJ54ABTH245FK offers similar functionality but may differ in electrical characteristics such as output drive strength.