SNJ54ABT2952AJT

Buffers, Drivers, Receivers, Transceivers Overview

The SNJ54ABT2952AJT is an octal bus transceiver and register featuring two 8-bit back-to-back registers for bidirectional data storage. It utilizes state-of-the-art EPIC-IIB BiCMOS design to significantly reduce power dissipation while providing noninverting outputs with 3-state capability. The device ensures high-impedance states during power-up or power-down sequences and includes robust latch-up protection exceeding 500 mA per JESD 17. It operates over the full military temperature range of –55 °C to 125 °C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Features two 8-bit back-to-back registers that store data flowing in both directions between two bidirectional buses.
• Utilizes state-of-the-art EPIC-IIB BiCMOS design to significantly reduce power dissipation compared to standard CMOS technologies.
• Provides noninverting outputs with 3-state functionality, allowing safe connection to multiplexed data lines.
• Includes ESD protection exceeding 2000 V per MIL-STD-883 Method 3015 and latch-up performance exceeding 500 mA.

Buffers, Drivers, Receivers, Transceivers Applications

• Bidirectional data buffering in military-grade computing systems
• Memory interface circuits requiring high-speed data transfer
• I/O port expansion in aerospace and defense applications

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix JT corresponds to the ceramic dual-in-line package when sourcing. Confirm that the component meets the required military specifications if used in critical applications. Check for RoHS compliance status as indicated in the packaging addendum, noting that this specific military variant may have different environmental certifications than catalog versions. Ensure supply chain authenticity through authorized distributors.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component for applications requiring bidirectional data flow with simultaneous storage capabilities. The SN54 series designation indicates suitability for harsh environments with a wide operating temperature range. Consider the BiCMOS technology benefits for lower power consumption in high-speed switching scenarios. Evaluate the 3-state output requirements against system bus loading constraints before finalizing the design.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN54ABT2952A family of octal bus transceivers and registers. It is designed for high-performance digital systems where data integrity and speed are paramount. The military-grade version offers extended reliability and temperature tolerance compared to its commercial counterparts, making it suitable for demanding operational conditions.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN54ABT2952AW

Buffers, Drivers, Receivers, Transceivers FAQ

How does the device handle data direction?

Data flows bidirectionally between the A and B buses. Data on either bus is stored in the registers on the low-to-high transition of the respective clock input, provided the clock-enable input is low.

What is the purpose of the pullup resistor mentioned in the description?

To ensure the high-impedance state during power-up or power-down, the OE input should be tied to VCC through a pullup resistor. The minimum value depends on the current-sinking capability of the driver.