SNJ54LS145W

Signal Switches, Multiplexers, Decoders Overview

The SNJ54LS145W is a BCD-to-decimal decoder/driver manufactured by Texas Instruments. It operates within the LS-TTL logic family and features a 16-pin Ceramic Flat Pack (CFP) package. The device functions as a 1-of-10 decoder with open-collector outputs. It supports an operating temperature range of -55°C to 125°C and is classified under the Military product category.

Signal Switches, Multiplexers, Decoders Feature Summary

• Converts Binary-Coded Decimal inputs into one-of-ten decoded active-low outputs
• Features open-collector output structure for flexible interfacing
• Constructed in ceramic packaging suitable for high-reliability environments

Signal Switches, Multiplexers, Decoders Applications

• Military and defense electronic systems
• Space-based applications requiring radiation tolerance
• High-reliability industrial control circuits

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific ordering suffix 'W' corresponds to the CFP package configuration during procurement. Confirm that the component meets the required military or space qualification standards, as standard catalog versions differ in environmental ratings. Ensure compatibility with existing board layouts designed for the 16-pin flat pack form factor before finalizing orders.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when a BCD-to-decimal decoding function is required in harsh environments. The LS-TTL series offers lower power consumption compared to standard TTL variants. The ceramic construction provides superior thermal stability and mechanical robustness compared to plastic packages, making it suitable for extreme temperature ranges defined by the military specification.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the SN54LS145 family, which includes various package options such as CDIP and LCCC. The 'SNJ' prefix indicates a military-grade device produced by Texas Instruments. It serves as a specialized version of the commercial SN74LS145, differentiated primarily by its extended temperature range and ruggedized packaging.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Direct replacements include other SN54LS145 variants with different package styles, such as SNJ54LS145J (CDIP) or SNJ54LS145FK (LCCC). Cross-vendor equivalents from manufacturers like Motorola may be considered if pinouts and electrical characteristics match.