Product Overview: MC74HCT138ADTR2G by ON Semiconductor

The MC74HCT138ADTR2G is a high-performance integrated circuit designed and manufactured by ON Semiconductor, a leading provider of semiconductor-based solutions. This device is a member of the high-speed CMOS family and is specifically a 3-to-8 line decoder/demultiplexer. The functionality and precision of this IC make it a suitable choice for a wide range of applications, including but not limited to, computer systems, robotics, and industrial control systems.

Constructed with silicon gate CMOS technology, the MC74HCT138ADTR2G offers the inherent benefits of CMOS devices, including low power consumption, high noise immunity, and robust performance. The device is compatible with LSTTL outputs, which allows it to be used in systems where interfacing with TTL logic is necessary. This feature ensures versatility in integrating the MC74HCT138ADTR2G into various digital systems without compatibility issues.

Key Features

• Logic Type: 3-to-8 Line Decoder/Demultiplexer
• Supply Voltage Range: 4.5V to 5.5V
• High Output Current: Capable of driving 10 LSTTL loads
• Low Power Consumption: 20 µA maximum ICC
• Output Drive Capability: 15 LSTTL loads
• Package Type: TSSOP-16
• Temperature Range: -55°C to 125°C

The device features three binary select inputs (A, B, and C), an enable input, and eight mutually exclusive outputs. The MC74HCT138ADTR2G is designed to decode a three-bit binary address to one of eight output lines, making it ideal for reducing the number of lines needed to connect a microprocessor to peripheral devices. Additionally, the enable input can be used for the device's cascading capability, allowing for the expansion of decoding lines without the need for external gating.

The MC74HCT138ADTR2G is available in a TSSOP-16 package, which is not only space-efficient but also conducive to automated surface-mount assembly processes. This package type, combined with the device's operating temperature range of -55°C to 125°C, ensures that the MC74HCT138ADTR2G can be used in environments with stringent space and temperature requirements.

ON Semiconductor's commitment to quality and reliability is reflected in the MC74HCT138ADTR2G, making it a reliable and efficient solution for designers looking to implement decoding or demultiplexing functions in their digital systems.