The M74HC138TTR from STMicroelectronics is a high-speed CMOS 3-to-8 line decoder/demultiplexer integrated circuit, designed to address the needs of system designers looking to effectively manage multiple control lines through a single chip. This IC is part of the HC family, which signifies the use of silicon gate CMOS technology to achieve operating speeds similar to LSTTL with the low power consumption of standard CMOS integrated circuits.

Key Features

• Logic Type: 3-to-8 Line Decoder/Demultiplexer
• Supply Voltage Range: 2V to 6V, accommodating various application needs and ensuring compatibility with both TTL and CMOS logic levels.
• High Speed: Typical tPD of 16ns at 5V, offering swift decoding and demultiplexing for time-sensitive applications.
• Low Power Consumption: 20µA maximum ICC at 25°C, which is ideal for battery-operated and power-sensitive designs.
• Output Drive Capability: Can drive up to 10 LSTTL loads, providing ample current for downstream devices.
• Multiple Package Options: Available in TSSOP16 package, ensuring a compact footprint on PCBs.

Applications

The versatility of the M74HC138TTR makes it suitable for a wide array of applications including:

• Memory decoding or data routing in computer systems
• Control line management in multiplexed systems
• Interface circuitry for various digital applications

Quality and Reliability

STMicroelectronics is committed to providing products that meet the highest standards of quality and reliability. The M74HC138TTR is no exception, and is manufactured in compliance with the stringent requirements of the international standard ISO9001. Additionally, it is supported by the manufacturer's global technical support and application expertise.

With its robust design, versatile features, and STMicroelectronics' reputation for quality, the M74HC138TTR is an excellent choice for designers seeking a reliable and efficient solution for their decoding and demultiplexing needs.