SNJ54ALS857JT

Signal Switches, Multiplexers, Decoders Overview

The SNJ54ALS857JT is a hex 2-to-1 universal multiplexer with 3-state outputs manufactured by Texas Instruments. It operates within the military temperature range of -55°C to 125°C and utilizes a 24-pin ceramic dual-in-line (CDIP) package. The device supports a supply voltage of 4.5V to 5.5V, providing low-level output current ratings of 12mA. Propagation delays are specified between 2ns and 45ns depending on input-output paths.

Signal Switches, Multiplexers, Decoders Feature Summary

• Provides true or complementary data selection via control inputs
• Performs logical AND operations between operand pairs
• Features 3-state outputs for direct system bus interfacing
• Supports cascading to expand operand capacity

Signal Switches, Multiplexers, Decoders Applications

• Data routing in military-grade electronic systems
• Bus interface applications requiring tri-state isolation
• Logic masking and operand comparison circuits
• Cascaded multiplexing architectures

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify component authenticity through authorized TI channels due to limited production availability. Confirm CDIP-24 packaging specifications match design requirements. Ensure environmental compliance checks align with military standards. Validate operating temperature ranges against application constraints before integration.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component for designs requiring hex multiplexing with high-speed switching capabilities. Consider the 3-state output feature for bus sharing applications. Evaluate propagation delay specifications against system timing requirements. Verify compatibility with existing logic families and power supply voltages.

Signal Switches, Multiplexers, Decoders Part Context

Part of the SN54/74ALS series offering advanced low-power Schottky technology. Designed for high-speed digital applications requiring reliable performance across extended temperature ranges. Provides versatile multiplexing functionality with additional logical operation capabilities.

Signal Switches, Multiplexers, Decoders Replacement Considerations

SN54ALS857JT serves as the direct equivalent part number. Verify pinout compatibility when substituting with other ALS series multiplexers. Check electrical characteristics against original design specifications.

Signal Switches, Multiplexers, Decoders FAQ

What is the maximum operating temperature for the SNJ54ALS857JT?

The device is characterized for operation up to 125°C.

How many independent multiplexer channels does the device contain?

It contains six independent 2-to-1 multiplexer channels.

Can the outputs be placed in a high-impedance state?

Yes, applying a high level to COMP, S0, and S1 simultaneously places all outputs in the high-impedance state.