The SN74ACT245N is a high-performance, octal bus transceiver from Texas Instruments. Designed to provide bidirectional drive for bus-oriented microprocessor and digital communication systems, this integrated circuit is a crucial component for ensuring signal integrity in a variety of applications.

Key Features

• Octal Bidirectional Transceiver: Features eight bidirectional lines that allow data flow in both directions, making it versatile for duplex operations.
• Non-Inverting Buffers: The device includes non-inverting buffers which maintain the integrity of the signal during transmission.
• Wide Operating Voltage Range: Operates at a voltage range of 4.5V to 5.5V, compatible with TTL logic levels, ensuring easy integration with existing systems.
• High-Drive Outputs: Capable of driving up to 24mA at the outputs, allowing for the driving of heavy loads with minimal signal degradation.
• Control Pins: Comes with direction control (DIR) and output-enable (OE) inputs that facilitate flexible control over data transmission paths.

Performance and Quality

The SN74ACT245N is designed for high-speed, low-power data transmission, with a typical propagation delay time of 8ns and a power-off protection that ensures no excessive current is drawn if the input voltage exceeds the supply voltage. It is characterized for operation from -40°C to 85°C, making it reliable in a wide range of environmental conditions.

Applications

With its robust feature set, the SN74ACT245N is ideal for a variety of applications, including:

• Bus Interface in Microprocessor/Microcontroller Systems
• Data Communication and Telecommunication Systems
• Buffer Memory Address and Data Interfacing
• Peripheral Driving for Printers and Displays

Package and Availability

The device is offered in a 20-pin PDIP (Plastic Dual-In-line Package), making it suitable for through-hole mounting and easy to handle for prototyping and manufacturing. The SN74ACT245N is widely available and supported by Texas Instruments' reputation for quality and longevity in the semiconductor industry.