CD74HCT138MT

Description：IC DECODER/DEMUX 1X3:8 16SOIC
Series：74HCT
Mfr：Texas Instruments
Package：Tape & Reel (TR)

SKU:cad4adf5d3c7 Category: Signal Switches, Multiplexers, Decoders Brand: Texas Instruments

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Product introduction

CD74HCT138MT is listed in the Signal Switches, Multiplexers, Decoders range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC DECODER/DEMUX 1X3:8 16SOIC. Review the specifications below when checking this part for your BOM.

Signal Switches, Multiplexers, Decoders specifications for CD74HCT138MT

Description：IC DECODER/DEMUX 1X3:8 16SOIC
Series：74HCT
Mfr：Texas Instruments
Package：Tape & Reel (TR)
Type：Decoder/Demultiplexer
Circuit：1 x 3:8
Independent Circuits：1
Current - Output High, Low：4mA, 4mA
Voltage Supply Source：Single Supply
Voltage - Supply：4.5V ~ 5.5V
Operating Temperature：-55°C ~ 125°C
Mounting Type：Surface Mount
Package / Case：16-SOIC (0.154", 3.90mm Width)
Supplier Device Package：16-SOIC
Grade：-
Qualification：-

Signal Switches, Multiplexers, Decoders datasheet and documents for CD74HCT138MT

CD74HCT138MT

Signal Switches, Multiplexers, Decoders Overview

The CD74HCT138MT is a high-speed silicon-gate CMOS decoder manufactured by Texas Instruments. It functions as a 1 x 3-to-8 line decoder/demultiplexer housed in a 16-SOIC surface-mount package. The device operates on a single power supply ranging from 4.5V to 5.5V and supports an extended industrial temperature range of -55°C to 125°C. It features three binary selection inputs (A0, A1, A2) and includes two active-low enable inputs and one active-high enable input to facilitate cascading applications.

Signal Switches, Multiplexers, Decoders Feature Summary

Provides eight mutually exclusive outputs that are normally high and go low when selected
Includes dedicated enable inputs to simplify cascading multiple decoders
Offers direct compatibility with Low-Power Schottky TTL logic levels

Signal Switches, Multiplexers, Decoders Applications

Memory address decoding systems
Data routing and distribution networks
I/O port selection circuits

Signal Switches, Multiplexers, Decoders Procurement Notes

Verify the specific suffix 'MT' against the manufacturer datasheet to confirm the exact tape-and-reel packaging configuration and moisture sensitivity level. Ensure the ordering part number matches the required SOIC package width and lead finish specifications for your assembly process.

Signal Switches, Multiplexers, Decoders Selection Notes

Select this component when a standard 3-to-8 decoding function is required within a 5V logic environment. It serves as a suitable alternative to HC series devices where direct LSTTL input compatibility is necessary without additional buffering.

Signal Switches, Multiplexers, Decoders Part Context

This part belongs to the Texas Instruments CD74HCT family of high-speed CMOS logic devices. It shares functional similarities with the CD74HC138 but provides enhanced noise immunity and direct interface capabilities with legacy TTL logic families due to its HCT input threshold characteristics.