Texas Instruments

SN74HCT138N  

Encoders, Decoders, Multiplexers & Demultiplexers

The SN74HCT138N is a high-speed CMOS logic device manufactured by Texas Instruments. It is a 1-to-8 line decoder/multiplexer that provides a solution for selecting one of eight input lines to be connected to a single output line. Here's a brief description, features, and applications of the SN74HCT138N:

Description:

The SN74HCT138N is a member of the 74HCT series of logic devices, which are designed for high-speed operation. It is a 1-to-8 line decoder/multiplexer that uses three address inputs (A0, A1, and A2) to select one of the eight input lines (I0 to I7) to be connected to the output line (Y). The device is available in a 14-pin package.

Features:

1. 1-to-8 line decoder/multiplexer functionality
2. Three address inputs (A0, A1, and A2) for input line selection
3. Active-low enable input (G) for device control
4. Active-high output enable input (OE) for output control
5. Open-drain output for flexible interfacing
6. High-speed CMOS technology for fast operation
7. Wide operating voltage range (2.0V to 6.0V)
8. Low power consumption
9. Available in 14-pin package

Applications:

1. Digital multiplexing and signal routing in communication systems
2. Address decoding in memory and I/O interface applications
3. Input selection for microcontrollers and microprocessors
4. Logic control in industrial automation systems
5. Input channel selection in data acquisition systems
6. Logic-level conversion and buffering in digital circuits
7. General-purpose signal distribution and switching

The SN74HCT138N is a versatile and high-speed logic device that can be used in a variety of digital applications where input selection and signal routing are required. Its low power consumption and wide operating voltage range make it suitable for both portable and industrial applications.

SN74HCT138N Documents

Download datasheets and manufacturer documentation for SN74HCT138N

PCN Assembly/Origin :

Multi Dev 28/Sep/2022      

Datasheets :

SN54HCT138, SN74HCT138      

HTML Datasheet :

SN54HCT138, SN74HCT138      

PCN Design/Specification :

Copper Bond Wire Revision A 04/Dec/2013       Material Set 30/Mar/2017