The TC74VHCT540AFK is an octal buffer/line driver manufactured by Toshiba. It features a three-state output, making it suitable for driving highly capacitive loads or for use in memory address drivers. The device is designed for high-speed operation while maintaining CMOS low power dissipation. It is part of the VHCT family, which is known for its TTL-compatible input thresholds.

Applications

• Memory address drivers
• Clock drivers
• Bus interface
• Logic level translation
• Data transmission

Features

• Number of Buffers: 8
• Output Type: 3-State
• High-Speed Operation: tpd = 4.8 ns (typ.) at VCC = 5V
• Operating Voltage: 4.5V to 5.5V
• TTL-Compatible Inputs
• Low Power Dissipation
• Package: SOP20

Benefits

• High-Speed Performance: Enables fast data transmission and processing.
• Three-State Outputs: Allows for efficient bus management and isolation.
• TTL Compatibility: Interfaces easily with TTL logic devices.
• Low Power Consumption: Reduces power requirements and extends battery life.
• Versatile Application: Suitable for a wide range of buffering and driving applications.

Technical Specifications

The TC74VHCT540AFK operates from a supply voltage of 4.5V to 5.5V. It features a typical propagation delay of 4.8 ns at VCC = 5V. The inputs are TTL-compatible, allowing for direct interfacing with TTL logic devices. The device is packaged in a SOP20 (Small Outline Package) for surface mount assembly. The output enable control allows the outputs to be placed in a high-impedance state. The operating temperature range is typically -40°C to +85°C. The device is designed to drive capacitive loads effectively.