Product Overview: SN74138N Decoder/Demultiplexer

The SN74138N is a high-performance integrated circuit manufactured by Texas Instruments, renowned for its precision and reliability in digital electronics. Designed primarily as a 3-to-8 line decoder/demultiplexer, this IC is a crucial component in a wide range of digital systems where decoding and demultiplexing functions are needed.

Key Features

• Logic Type: Decoder/Demultiplexer
• Number of Outputs: 8
• Input Line: 3
• Supply Voltage Range: 4.75V to 5.25V
• Operating Temperature Range: 0°C to 70°C
• Package: 16-pin plastic DIP (Dual In-line Package)
• Propagation Delay: Fast propagation times for high-speed operations

Functional Description

The SN74138N is designed to decode a three-bit binary value into one of eight mutually exclusive outputs. It features three binary input lines (A, B, and C) and an enable input that facilitates the easy integration of the device into a variety of digital systems. The enable input ensures that the outputs remain in a high-impedance state until the decoder is required to operate.

With its active-low outputs, the SN74138N is ideal for driving other logic circuits that require an active-low input, such as LED indicators or relays. This makes it highly versatile for use in applications like address decoding for memory selection, data routing, and control signal generation.

Applications

The SN74138N is suited for various applications in the digital domain, including but not limited to:

• Memory chip selection
• Data multiplexing
• Control signal generation
• Complex logic circuit implementations

Its robust design and compatibility with other TTL logic families make the SN74138N an essential component for engineers and designers working on sophisticated digital systems. Texas Instruments ensures that each device meets stringent quality standards, providing reliable performance for critical applications.