The 74HCT238D from NXP Semiconductors is a high-speed Si-gate CMOS device that is part of the 74HCT family. This integrated circuit is designed to be a 3-to-8 line decoder/demultiplexer with address latches. It is a versatile component that is commonly used in a wide range of digital applications, from microprocessor systems to data distribution networks.

Key Features

• Logic Family: 74HCT
• Logic Type: 3-to-8 Line Decoder / Demultiplexer
• Number of Outputs: 8
• Supply Voltage Range: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +125°C
• Package: SOIC-16

Functionality

The 74HCT238D decodes three binary weighted address inputs (A0, A1, A2) to eight mutually exclusive outputs (Y0 to Y7). The device features three enable inputs: two active-low (E1, E2) and one active-high (E3). The outputs are disabled when any of the enable inputs are held high, allowing for effective cascading of multiple devices.

Performance

With its high noise immunity and low power consumption, the 74HCT238D is optimized for robust performance in demanding environments. The device is characterized for operation from -40°C to +125°C, ensuring reliability across a broad range of temperature conditions. Its fast propagation delay and transition times make it suitable for high-speed applications that require efficient data distribution or addressing.

Applications

Common applications for the 74HCT238D include:

• Memory decoding or data routing
• Control systems
• Microprocessor support circuits
• Computer systems
• Instrumentation and test equipment

Quality and Reliability

NXP Semiconductors is known for its commitment to quality and the 74HCT238D is no exception. The device is manufactured under strict quality control standards and is designed to meet the rigorous demands of modern electronic systems. Whether used in commercial, industrial, or automotive applications, the 74HCT238D is a reliable choice for designers looking to implement efficient decoding or demultiplexing functions in their circuits.