The SN74LCH244A is a high-performance, octal buffer and line driver designed to interface with 5-V systems in bus-oriented applications. Manufactured by Texas Instruments, this integrated circuit is part of the SN74 logic family, renowned for its reliability and versatility.

Key Features

• Logic Type: Octal Buffer/Line Driver, Non-Inverting
• Output Current: -32 mA / 64 mA
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C (TA)
• Logic Level - Low: 0.8V (Max)
• Logic Level - High: 2V (Min)

Product Description

The SN74LCH244A features eight buffers with three-state outputs that can be individually controlled. This makes it ideal for driving bus lines or buffer memory address registers. The device has a wide operating voltage range and can support a maximum of 5.5V, making it compatible with many 5V systems.

With its robust output drive capability, the SN74LCH244A can deliver up to 64 mA of drive current, ensuring strong signal integrity even in demanding applications. The three-state outputs allow for connection to a bus-structured system without the risk of bus contention.

Furthermore, the device's inputs feature hysteresis, which increases its tolerance to slower input rise and fall times, enhancing performance in environments with longer signal paths or slower operating speeds. This feature also contributes to the reduction of noise-induced errors.

Applications

• Bus Drivers
• Memory Drivers
• Buffer Memory Address Registers
• Input/Output Port Drivers
• Backplane Drivers

The SN74LCH244A's robust design and high functionality make it a go-to solution for engineers looking to build reliable and efficient digital systems. Its wide adoption across various applications underscores Texas Instruments' commitment to providing high-quality, industry-standard logic devices.