SN74AHC138DBR

Signal Switches, Multiplexers, Decoders Overview

The SN74AHC138DBR is a single-function decoder/demultiplexer from the Texas Instruments SN74AHC138 series. It features a 3-line to 8-line decoding configuration housed in a 16-pin SSOP package. The device operates on a single power supply ranging from 2 V to 6 V. Key electrical parameters include a propagation delay of 13 ns, with low-level output current of 8 mA and high-level output current of -8 mA. It supports an operating temperature range from -40 °C to +125 °C.

Signal Switches, Multiplexers, Decoders Feature Summary

• Provides 3-to-8 line decoding functionality for address decoding or data distribution
• Features three enable inputs for flexible system control and power management
• Supports wide supply voltage operation from 2 V to 6 V for diverse logic families

Signal Switches, Multiplexers, Decoders Applications

• Address decoding in microprocessor-based systems
• Data distribution networks requiring demultiplexing
• Memory chip select generation in embedded designs

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific suffix 'DBR' corresponds to the SSOP-16 package and tape-and-reel packaging format required for your assembly process. Confirm that the 3-line to 8-line decoder function aligns with your schematic requirements. Ensure compatibility with the 2 V to 6 V supply voltage range and check lead-free compliance status against local regulatory standards before finalizing procurement.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when a 3-to-8 decoder is needed within a compact SSOP footprint. It is suitable for applications requiring operation across a wide voltage range of 2 V to 6 V. Consider the 13 ns propagation delay for timing constraints. Verify that the 8 mA output drive capability meets the load requirements of the connected circuitry.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the SN74AHC138 family of high-speed CMOS decoders. It serves as a digital logic solution for converting binary codes into one-of-eight active-low outputs. The device integrates standard logic functions optimized for modern electronic systems requiring efficient signal routing and address selection capabilities.

Signal Switches, Multiplexers, Decoders Replacement Considerations

SN74AHC138DR (SOIC-16 package), SN74AHC138D (SOIC-16 package). Verify pinout compatibility and package dimensions before substitution.