74HCT138N

Name: 74HCT138N
Brand: Philips
Rating: 4.5 (10 reviews)
Author: Lisleapex

A versatile IC solution for selecting one of eight inputs or output

4,736 Effective Inventory

74HCT138N

Effective Inventory4,736

A versatile IC solution for selecting one of eight inputs or output

Manufacturer Part # : 74HCT138N
Package/Case: 16-DIP
Brand: Philips
Product Categories : Signal Switches, Multiplexers, Decoders
Series : 74HCT138

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74HCT138N DataSheet

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

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74HCT138N Description

The 74HCT138N is a 3-to-8 line decoder/demultiplexer from NXP USA Inc., designed for reliable signal processing in various electronic systems. This device is ideal for applications where high-speed decoding and demultiplexing are required, featuring low power consumption and a wide operating temperature range.

Pin Details

The 74HCT138N is a logic IC with 16 pins for half-duplex communication. It includes pins for receiving, driving, and enabling signals, along with power supply and ground connections.

Pin configuration

Package: 16-DIP (0.300", 7.62mm)

Features

Low Power Consumption: Optimized for low power usage, ideal for battery-powered devices.
Wide Temperature Range: Operates efficiently between -40°C and +125°C.

Application

The 74HCT138N is commonly used in systems that require reliable signal processing, especially in applications where high-speed decoding and demultiplexing are essential.

Where to Use:

Industrial control systems
Automotive electronics
Consumer appliances
Battery-powered devices

Manufacturer

The 74HCT138N is manufactured by NXP USA Inc., a global leader in semiconductor technology. It falls under the category of logic ICs, which are designed to facilitate reliable signal processing in various electronic systems.

This product was developed to meet the growing demand for high-speed decoding and demultiplexing in industrial, automotive, and consumer applications, where features like low power consumption and a wide operating temperature range are essential.

Packages

The 74HCT138N comes in a 16-DIP (0.300", 7.62mm) package, making it suitable for compact circuit designs.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Rohs Code	Yes	Part Life Cycle Code	Transferred
ECCN Code	EAR99	HTS Code !	8542.39.00.01
JESD-30 Code	R-PDIP-T16	JESD-609 Code	e4
Load Capacitance (CL)	50 pF	Logic IC Type	OTHER DECODER/DRIVER
Max I(ol)	0.004 A	Number of Functions	1
Number of Terminals	16	Operating Temperature-Max	85 °C
Operating Temperature-Min	-40 °C	Package Body Material	PLASTIC/EPOXY
Package Code	DIP	Package Equivalence Code	DIP16,.3
Package Shape	RECTANGULAR	Package Style	IN-LINE
Power Supplies !	5 V	Prop. Delay@Nom-Sup	44 ns
Qualification Status !	Not Qualified	Supply Voltage-Nom (Vsup)	5 V
Surface Mount !	NO	Technology	CMOS
Temperature Grade !	INDUSTRIAL	Terminal Finish	Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form !	THROUGH-HOLE	Terminal Pitch !	2.54 mm
Terminal Position	DUAL

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification 74HCT138N PDF Download

FAQs

What is 74HCT138N?

The 74HCT138N is a 3-to-8 line decoder/demultiplexer integrated circuit (IC) manufactured by NXP Semiconductors. It is commonly used to decode binary information to drive indicators, LEDs, or other devices in digital systems.

How Does 74HCT138N Work?

The 74HCT138N works by taking a 3-bit binary input and selecting one of the 8 output lines based on the input combination. It uses a combination of gates and logic to enable the appropriate output line, allowing for efficient demultiplexing and decoding of digital signals.

How Many Pins does 74HCT138N have and What are the Functions of the Pinout Configuration?

The 74HCT138N is housed in a 16-pin DIP (Dual In-line Package) package. The pinout configuration includes:

GND: Ground pin.
Y0 to Y7: Output lines for the demultiplexed signals.
E1, E2, E3: Enable inputs for selecting the output line.
A, B, C: Binary inputs for selecting the output line.
VCC: Positive power supply pin.

What are the Pros and Cons of 74HCT138N?

Pros:

High Efficiency: Provides efficient 3-to-8 demultiplexing for digital systems.
Wide Voltage Range: Compatible with both TTL and CMOS voltage levels.
Easy Integration: Simple interface and operation for straightforward system integration.
Cost-Effective: Offers cost-effective demultiplexing and decoding functionality.

Cons:

Limited Functionality: Designed specifically for 3-to-8 decoding, may not be suitable for other applications.
Power Consumption: Consumes power even when not actively selecting an output line.

Are There Any Equivalents/Alternatives to 74HCT138N for Recommendation?

The SN74LS138 from Texas Instruments is a similar 3-to-8 line decoder/demultiplexer.
Alternatives to the 74HCT138N include the CD74HC238 from Texas Instruments and the DM74LS138 from Fairchild Semiconductor.