Product Overview: 74HCT138D by NXP Semiconductors

The 74HCT138D is a high-speed Si-gate CMOS device and is pin compatible with low-power Schottky TTL (LSTTL). Manufactured by NXP Semiconductors, a leader in the semiconductor industry, this integrated circuit is part of the 74HCT family, which is known for its compatibility with TTL levels while offering the low power consumption and high noise immunity characteristic of CMOS technology.

Key Features

• Logic Type: 3-to-8 line decoder/demultiplexer
• Supply Voltage Range: 4.5V to 5.5V, ideal for 5V systems
• High Noise Immunity: NXP's CMOS technology provides greater tolerance to noise
• Low Power Consumption: Significantly reduced power usage compared to traditional LSTTL devices
• Output Capability: Standard outputs with the ability to drive 10 LSTTL loads
• Speed: Fast propagation delays and transition times
• Temperature Range: Specified from -40°C to +125°C, suitable for industrial applications

Product Applications

The 74HCT138D is versatile and can be used in a wide range of applications. It is particularly useful in systems that require decoding or demultiplexing capabilities. Some common use cases include:

• Memory decoding in computer systems
• Control logic for multiplexed displays
• System address demultiplexing
• Interface circuitry for microprocessors

Quality and Reliability

NXP Semiconductors is committed to delivering high-quality products. The 74HCT138D is subjected to rigorous testing and quality control processes to ensure it meets the industry standards for performance and reliability. Customers can trust this device to perform consistently in their electronic designs.

Packaging and Ordering

The 74HCT138D comes in a small-outline package (SO) with 16 leads. Its compact size makes it suitable for space-constrained applications. When ordering, the complete part number is 74HCT138D,653, and it is supplied in reel packaging for ease of manufacturing integration.

With its robust features and NXP's reputation for quality, the 74HCT138D is an excellent choice for designers looking to implement decoding or demultiplexing functions in their 5V digital systems.