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Texas Instruments CD74HCT154M — Discrete Semiconductors

CD74HCT154M 74HCT Decoder/Demultiplexer, 1x4:16, 24-SOIC

MPNCD74HCT154M
End of Life

Texas Instruments 74HCT series Decoder/Demultiplexer, 1 x 4:16, 4.5V–5.5V supply, -55°C to 125°C, 24-SOIC surface-mount package, Tube.

$1.46Ref. price · indicative, final on quote
Texas Instruments CD74HCT154M datasheet (PDF)
Packaging24-SOIC (0.295", 7.50mm Width)
RoHSROHS3 Compliant
Series74HCT
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Aug 2026

Specifications

CD74HCT154M specifications
ParameterValue
TypeDecoder/Demultiplexer
Series74HCT
MountingSurface Mount
Supply voltage4.5V ~ 5.5V
Voltage supply sourceSingle Supply
Current - output high, low4mA, 4mA
Operating temperature-55°C ~ 125°C
Circuit1 x 4:16
PackageTube
Case24-SOIC (0.295\", 7.50mm Width)
Independent circuits1

Product details

The CD74HCT154M is a 74HCT-series 1-of-16 decoder/demultiplexer from Texas Instruments. It takes four binary address inputs and drives one of sixteen active-low outputs low.

Each output can source or sink 4 mA (high and low). That is enough to drive a CMOS logic input or a low-power LED indicator directly, but not enough to drive a relay coil or a long backplane trace without a buffer.

The part comes in a 24-SOIC wide-body package (0.295-inch body width, 7.50 mm). No special handling required beyond standard SMD reflow profiles.

Frequently asked questions

What is the CD74HCT154M?

It decodes four address inputs into sixteen active-low outputs, operates from 4.5V to 5.5V, and is rated for -55°C to 125°C.

Is CD74HCT154M equivalent to 74HC154?

The CD74HCT154M is the HCT (high-speed CMOS with TTL-compatible input thresholds) version of the 74HC154. The HC version has CMOS-level input thresholds; the HCT version is designed to interface directly with TTL logic levels. Pinout and function are identical, but the input logic thresholds differ.

What is the CD74HCT154M used for?

It is used for address decoding in microprocessor and memory systems, chip-select generation, and data routing — any application that needs to select one of sixteen outputs from a four-bit address.