Overview of NXP 74HC139PW+118

The NXP 74HC139PW+118 is a high-speed Si-gate CMOS device that is part of the 74HC/HCT family. This integrated circuit is designed to be a dual 2-to-4 line decoder/demultiplexer. The device is widely used in applications that require the conversion of a binary input signal to a specific output line, enabling the selection of one of four outputs for each decoder.

Key Features

• Logic Type: Decoder / Demultiplexer
• Logic Family: HC
• Number of Elements: Dual
• Number of Bits per Element: 2-to-4
• Output Type: Standard
• Supply Voltage Range: 2V to 6V
• Operating Temperature Range: -40°C to +125°C
• Package Type: TSSOP
• Pin Count: 16

Functional Description

The 74HC139PW+118 contains two individual 2-to-4 decoders, each with an active LOW enable input (nE). When the enable input is held high, all outputs of the decoder are held low. When the enable input is low, the binary coded input data is decoded and the corresponding output is driven high. This enables the use of this device as a demultiplexer, as it can direct a single input line to one of four output lines.

Applications

This dual decoder/demultiplexer is suitable for a variety of applications, including:

• Memory chip selection
• Data routing
• Function selection in microprocessor systems
• Address decoding for additional memory and I/O port expansion
• Control systems

Quality and Reliability

Built by NXP, a leader in semiconductor solutions, the 74HC139PW+118 is manufactured to high standards with a commitment to quality and reliability. The device is available in a TSSOP-16 package, which is optimized for minimized footprint and high packing density on PCBs. With its wide operating temperature range, the 74HC139PW+118 is designed to perform reliably in various environmental conditions, making it a versatile choice for industrial and commercial applications.