Product Overview: SN74HCT138DRG4 from Texas Instruments

The SN74HCT138DRG4 is a high-performance integrated circuit designed and manufactured by Texas Instruments (TI), one of the leading companies in the semiconductor industry. This device belongs to the HCT family and is a 3-line to 8-line decoder/demultiplexer that incorporates CMOS and TTL technology, ensuring compatibility with a wide range of digital systems.

Key Features

• Logic Type: Decoder/Demultiplexer
• Number of Circuits: 1
• Number of Input Lines: 3
• Number of Output Lines: 8
• Output Current: High/Low
• Supply Voltage Range: 4.5V to 5.5V
• Operating Temperature Range: -40°C to 85°C
• Mounting Type: Surface Mount
• Package / Case: SOIC-16

The SN74HCT138DRG4 is designed to be used in high-performance memory-decoding or data-routing applications requiring very short propagation delay times. It features three binary select inputs (A, B, and C), an active-low enable input (G1), and two active-high enable inputs (G2A and G2B). When the enables are in the correct logic state, one of the eight outputs will be selected based on the binary value of the inputs, with the remaining outputs being low.

This device has a typical propagation delay time of 13ns when operating at 5V, making it suitable for high-speed operations. Additionally, the outputs can drive up to 10 LSTTL loads, which provides the capability to connect to a variety of other digital components without additional buffering.

Manufactured in a small-outline 16-pin package, the SN74HCT138DRG4 is designed for space-saving applications and is ideal for use in a broad range of products, from industrial to consumer electronics. Its robust design ensures reliable operation even under challenging conditions.

In summary, the SN74HCT138DRG4 from Texas Instruments is a versatile and efficient solution for systems requiring a high-performance 3-to-8 decoding or demultiplexing function. With its industry-standard footprint, this component is well-suited for design engineers looking to optimize board space without sacrificing performance.