The TC74VHCT245AF is an octal bus transceiver from Toshiba Semiconductor and Storage. This device is designed for asynchronous two-way communication between data buses. It features non-inverting outputs and is suitable for interfacing between different logic families, particularly TTL and CMOS systems. It offers high-speed operation and low power consumption.

Applications

• Data Bus Transceivers
• Memory Interfacing
• Microprocessor Systems
• Logic Level Translation
• Digital Systems

Features

• Octal Bus Transceiver: 8-bit bidirectional data transfer
• Non-Inverting Outputs: Preserves signal polarity
• High-Speed Operation: Fast propagation delay times
• Low Power Consumption: Reduces system power requirements
• Wide Operating Voltage: Operates from 4.5V to 5.5V
• TTL Compatible Inputs: Directly interfaces with TTL logic levels

Benefits

• Efficient Data Transfer: Enables bidirectional data flow between buses
• High Performance: Fast switching speeds allow for use in high-speed systems
• Energy Efficient: Low power consumption contributes to system energy savings
• Flexible Interfacing: Compatible with both TTL and CMOS logic levels
• Reliable Operation: Designed for stable and consistent performance

Additional Details

The TC74VHCT245AF operates with a supply voltage range of 4.5V to 5.5V. It offers a typical propagation delay time of around 5ns. The device is available in a surface-mount package such as SOIC. It is designed to drive moderate capacitive loads. Toshiba's TC74VHCT series is known for its high performance and reliability. The TC74VHCT245AF is a suitable choice for applications requiring bidirectional data transfer between buses, especially in systems where TTL and CMOS logic need to interface. The direction of data flow is controlled by a direction control (DIR) input pin, and the outputs can be enabled or disabled using an output enable (OE) pin. The device's high speed and low power characteristics make it a popular choice for a variety of digital systems.