SNJ54ABT543AFK

Buffers, Drivers, Receivers, Transceivers Overview

The SNJ54ABT543AFK is an octal registered transceiver utilizing state-of-the-art EPIC-II BiCMOS design. It features two sets of D-type latches for temporary data storage and bidirectional flow control. The device operates within a supply voltage range of 4.5 V to 5.5 V and supports high-drive outputs with -32-mA IOH and 64-mA IOL capabilities. It is characterized for operation over the full military temperature range of -55°C to 125°C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Contains two sets of D-type latches for temporary data storage
• Provides independent direction control via separate latch-enable and output-enable inputs
• Utilizes state-of-the-art EPIC-II BiCMOS design to reduce power dissipation
• Features ESD protection exceeding 2000 V per MIL-STD-883, Method 3015

Buffers, Drivers, Receivers, Transceivers Applications

• Military and defense applications requiring full temperature range operation
• Bidirectional bus architectures with registered data storage
• High-speed data transfer systems requiring low power dissipation
• Systems demanding high ESD protection levels

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify that the component matches the SNJ54ABT543AFK designation specifically for military-grade specifications. Confirm the package type corresponds to the Ceramic Chip Carrier (FK) variant. Ensure the operating environment aligns with the -55°C to 125°C temperature range requirements. Check for QML certification if required by specific defense contracts.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when bidirectional data transfer with internal latching is necessary in harsh environments. The FK package is suitable for applications requiring ceramic construction. Consider the high-drive output capability for driving heavy loads. Verify compatibility with 5-V logic families given the specified input and output voltage levels.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the SN54ABT543A family of octal registered transceivers. The 'SNJ' prefix indicates a military-grade device, while the 'FK' suffix denotes the 28-pin Ceramic Chip Carrier package. It is distinct from the commercial SN74ABT543A series which has a narrower temperature range.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN54ABT543AWD

Buffers, Drivers, Receivers, Transceivers FAQ

What is the function of the CEAB and LEAB inputs?

CEAB controls the A-to-B data flow direction, while LEAB enables the A latches to enter storage mode upon a low-to-high transition.

How does the device handle power-up or power-down states?

To ensure a high-impedance state during power transitions, the OE input should be tied to VCC through a pullup resistor.