The TC74ACT299F is an 8-bit universal shift register manufactured by Toshiba Semiconductor and Storage. It is part of the Advanced CMOS Technology (ACT) family, offering high-speed performance and low power consumption. This versatile device can perform serial-to-parallel, parallel-to-serial, and parallel-to-parallel data conversions, making it suitable for a wide range of digital logic applications.

Applications

• Serial-to-parallel data conversion
• Parallel-to-serial data conversion
• Data storage and buffering
• Shift register-based counters
• Digital delay lines
• Keyboard scanning

Features

• 8-bit universal shift register
• Synchronous parallel load
• Shift right and shift left capabilities
• Three-state outputs for bus interfacing
• Direct clear input
• High-speed operation
• Low power consumption

Benefits

• Versatile data manipulation through serial-to-parallel, parallel-to-serial, and parallel-to-parallel conversion capabilities.
• Efficient data handling with synchronous parallel load, shift right, and shift left functions.
• Simplified bus interfacing with three-state outputs, preventing bus contention.
• Enhanced system performance due to its high-speed operation.
• Reduced power consumption, contributing to longer battery life in portable devices.
• Easy system reset with direct clear input.

Technical Specifications

The TC74ACT299F operates from a supply voltage of 4.5V to 5.5V. The propagation delay depends on the loading and operating conditions but is typically in the nanosecond range. The quiescent current is very low, contributing to its low power consumption. The device has a direct clear input that asynchronously resets all register bits. The three-state outputs allow for direct connection to a data bus. The operating temperature range and pinout configuration can be found in the device's datasheet.

The device's versatility makes it suitable for applications where data needs to be converted between serial and parallel formats. The synchronous parallel load allows for easy loading of data into the register. The shift right and shift left capabilities enable efficient data manipulation. The three-state outputs simplify bus interfacing, preventing contention. The direct clear input provides a simple way to reset the register. The combination of high-speed operation and low power consumption makes it suitable for a wide range of applications, including portable devices.