M38510/31101BEA

Comparators Overview

The M38510/31101BEA is a four-bit magnitude comparator manufactured by Texas Instruments, belonging to the SN54LS85 series. It performs comparison of straight binary and straight BCD (8-4-2-1) codes, providing three fully decoded decisions regarding two 4-bit words. The device operates within an extended temperature range of -55°C to 125°C and utilizes a 16-pin Ceramic Dual In-Line Package (CDIP). It features a propagation delay of 35 ns at nominal supply voltage and supports TTL output types with specific drive capabilities.

Comparators Feature Summary

• Performs magnitude comparison of straight binary and straight BCD codes
• Provides three fully decoded decision outputs for two 4-bit inputs
• Operates in extended industrial temperature environments

Comparators Applications

• Military and aerospace electronic systems requiring high reliability
• Industrial control logic involving binary code comparison
• Data processing units utilizing BCD arithmetic operations

Comparators Procurement Notes

Verify that the component matches the exact military specification grade indicated by the M38510 prefix. Confirm the package type is ceramic dual in-line (CDIP) and check for MIL-M-38510 Class S screening status if required. Ensure the suffix BEA corresponds to the specified pinout and performance characteristics. Validate authenticity through authorized distribution channels to avoid counterfeit parts.

Comparators Selection Notes

Select this component when designing systems requiring robust magnitude comparison in harsh thermal conditions. The LS technology offers a balance of speed and power consumption suitable for complex logic circuits. Consider the CDIP package for applications demanding superior environmental sealing and mechanical stability compared to plastic variants.

Comparators Part Context

This part is a military-grade version of the standard SN54LS85 comparator. It adheres to strict manufacturing standards defined by MIL-M-38510. The device is functionally equivalent to commercial counterparts but meets enhanced reliability and radiation hardness requirements typical of defense and space applications.

Comparators Replacement Considerations

Direct substitutes include other SN54LS85 variants meeting the same military specification. Verify pin compatibility and electrical parameters before substitution.