ON Semiconductor MC74HC244ADWR2 Octal 3-State Non-Inverting Buffer/Line Driver

The ON Semiconductor MC74HC244ADWR2 is a high-performance, octal 3-state non-inverting buffer/line driver designed to be used in applications that require high current drive and minimal propagation delay. This integrated circuit is part of the high-speed CMOS family and is fabricated with silicon gate CMOS technology to achieve operating speeds similar to LSTTL, with the low power consumption of standard CMOS integrated circuits.

This versatile device is suitable for driving bus lines or buffer memory address registers, thanks to its high noise immunity and low power consumption. The MC74HC244ADWR2 features eight non-inverting buffers with 3-state outputs, which can be used independently or as two 4-bit bus drivers. The 3-state outputs are controlled by two output enable (OE1 and OE2) inputs, which allow the device to be used in bus-oriented applications.

Key Features:

• High Current Drive: The MC74HC244ADWR2 can source or sink 25 mA at 4.5V, making it ideal for driving heavy loads.
• High-Speed Performance: With propagation delay times significantly lower than typical CMOS devices, this buffer/line driver ensures rapid signal processing.
• Wide Operating Voltage Range: The device operates at a voltage range from 2V to 6V, providing compatibility with a variety of logic levels and systems.
• Low Power Dissipation: It has a low quiescent current, which helps in reducing power consumption, especially in battery-powered devices.
• Pin and Function Compatibility: The MC74HC244ADWR2 is pin compatible with the LS244, making it an easy drop-in replacement for systems requiring an upgrade in performance.

The MC74HC244ADWR2 is provided in a 20-lead SOIC package, ensuring a compact footprint suitable for space-constrained applications. Its operating temperature range of -55°C to +125°C guarantees reliability over a wide range of environmental conditions, making it a robust choice for industrial, automotive, and telecommunications applications.

With its combination of high drive capability, speed, and CMOS low-power operation, the ON Semiconductor MC74HC244ADWR2 is an excellent choice for designers looking to optimize their high-speed digital systems while maintaining power efficiency.