74LV138BQ,115

Signal Switches, Multiplexers, Decoders Overview

The Nexperia 74LV138BQ,115 is a 3-to-8 line decoder and demultiplexer housed in a DHVQFN16 package (SOT763-1). It decodes three binary weighted address inputs to eight mutually exclusive active LOW outputs. The device operates on a supply voltage range of 1.0 V to 5.5 V and supports an ambient temperature range from -40 °C to +125 °C. Propagation delay varies between 19 ns and 55 ns depending on the supply voltage.

Signal Switches, Multiplexers, Decoders Feature Summary

• Features multiple enable inputs for easy parallel expansion to larger decoding configurations
• Capable of functioning as an eight-output demultiplexer using active LOW enable inputs as data inputs
• Includes input clamp diodes allowing interface to voltages exceeding VCC via current limiting resistors

Signal Switches, Multiplexers, Decoders Applications

• Memory chip select decoding
• Demultiplexing applications
• Parallel expansion of decoding logic

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific ordering suffix '115' corresponds to the DHVQFN16 package variant SOT763-1. Confirm that the required operating temperature range aligns with the specified -40 °C to +125 °C limits. Ensure design parameters respect the absolute maximum ratings for supply voltage and output currents to prevent permanent damage.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when low power CMOS dissipation and direct TTL level interfacing are required. The wide supply voltage range makes it suitable for various low-voltage applications. Consider the DHVQFN16 package dimensions if PCB space is constrained, noting the thermal enhanced very thin quad flat package specifications.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the 74LV series of logic ICs, specifically designed for low-voltage operation. It functions as a standard 3-to-8 decoder/demultiplexer within the broader family of Nexperia logic components, sharing functional similarities with other variants like the 74HC138 but optimized for lower voltage ranges.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Direct pin-compatible replacements include the 74LV138D (SO16) and 74LV138PW (TSSOP16), which share identical electrical characteristics but differ in physical package type.