ON Semiconductor MC74ACT244DWR2 Octal Buffer/Line Driver

The MC74ACT244DWR2 is a high-performance, octal buffer and line driver designed to provide bidirectional drive for bus-oriented microprocessor and digital communication systems. Manufactured by ON Semiconductor, this integrated circuit is part of the ACT series, which is renowned for its robustness, high speed, and compatibility with TTL (Transistor-Transistor Logic) levels.

Constructed with advanced CMOS technology, the MC74ACT244DWR2 offers an optimal combination of low static power consumption and high-speed operation. The device features eight non-inverting buffers with 3-state outputs, which can be used independently or tied together for wider bus applications. This makes it an excellent choice for driving bus lines or buffer memory address registers with the added benefit of providing a high degree of drive current while maintaining a low power consumption.

The octal buffer/line driver comes in a 20-pin SOIC (Small Outline Integrated Circuit) package, which ensures a compact footprint on printed circuit boards (PCBs). The MC74ACT244DWR2 is characterized for operation from -40°C to +85°C, ensuring reliable performance across a wide range of environmental conditions. This temperature range, coupled with its robust design, makes it suitable for industrial and automotive applications where reliability is paramount.

Key features of the MC74ACT244DWR2 include:

• High-speed CMOS technology
• Eight non-inverting buffers with 3-state outputs
• Compatible with TTL levels
• Output drive capability: 24 mA at the high level and 24 mA at the low level
• Operating voltage range: 4.5V to 5.5V
• Low input current of 1 µA maximum
• Improved latch-up immunity
• 20-pin SOIC package for a minimal PCB footprint

The MC74ACT244DWR2 is designed to be used in a variety of digital applications, including logic buffering, memory address driving, and input/output port driving. Its high drive capability combined with the 3-state outputs make it particularly useful in bus-oriented systems where line contention needs to be managed effectively.

Overall, the MC74ACT244DWR2 from ON Semiconductor is a versatile, high-performance octal buffer/line driver that meets the needs of modern digital systems requiring high speed, low power, and reliable operation.