74VHC138SJ

Signal Switches, Multiplexers, Decoders Overview

The onsemi 74VHC138SJ is a high-speed CMOS logic decoder and demultiplexer component belonging to the 74VHC series. It features a single circuit configuration with three address inputs and eight active-low outputs, housed in a 16-pin SOP package. The device operates within a supply voltage range of 2 V to 5.5 V and supports surface-mount installation. It functions reliably across an industrial temperature range from -40°C to +85°C.

Signal Switches, Multiplexers, Decoders Feature Summary

• Provides one-of-eight decoding or demultiplexing functionality using three binary address lines.
• Features three enable inputs for flexible system control and power management.
• Utilizes advanced CMOS technology to achieve high switching speeds with low power consumption.

Signal Switches, Multiplexers, Decoders Applications

• Address decoding in microprocessor-based systems
• Data routing in digital communication interfaces
• Memory chip selection circuits

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm pinout compatibility and electrical characteristics. Confirm RoHS compliance status through current datasheets. Ensure the selected variant matches the required SOP-16 package dimensions for PCB layout integration.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when a low-voltage operation between 2 V and 5.5 V is required alongside standard logic levels. Consider the 74VHC series for applications demanding faster propagation delays compared to older HC variants while maintaining CMOS efficiency. Verify that the SOP-16 package fits the available board space constraints.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the broader 74VHC family of high-speed CMOS logic devices produced by onsemi. These components are designed to replace legacy TTL logic in modern low-voltage designs. The 74VHC138 specifically addresses the need for efficient signal distribution in compact electronic assemblies requiring reliable decoding capabilities.

Signal Switches, Multiplexers, Decoders Replacement Considerations

Cross-reference with other manufacturers offering equivalent 74VHC138 specifications. Verify pin-to-pin compatibility before substitution. Check for any differences in enable logic polarity or output drive strength in alternative sources.