The TC74VHC374AFT from Toshiba Semiconductor and Storage is an advanced high-speed CMOS octal D-type flip-flop with 3-state outputs. This device is fabricated with silicon gate CMOS technology, achieving high-speed operation similar to equivalent bipolar Schottky TTL while maintaining the low power consumption of CMOS. The TC74VHC374AFT is well-suited for a wide range of applications requiring reliable data storage and retrieval.

Applications

• Data Storage: Used in memory systems as a register to store data temporarily.
• Address Buffering: Employed in microprocessor systems to buffer address lines.
• Output Latching: Utilized to latch outputs in digital systems.
• Line Driving: Capable of driving high-capacitance loads, making it suitable for bus interface applications.
• Control Registers: Found in various control systems to hold control signals.

Features

• High Speed Operation: Propagation delay times are significantly reduced due to advanced CMOS technology.
• Low Power Consumption: Operates with minimal power, making it ideal for battery-powered and energy-efficient systems.
• 3-State Outputs: Allows multiple devices to share the same bus, enhancing system flexibility.
• Octal Configuration: Provides eight D-type flip-flops in a single package, increasing density and reducing board space.
• Positive-Edge Triggered: Data is stored on the positive-going transition of the clock input.
• Wide Operating Voltage Range: Operates from 2V to 5.5V, accommodating a variety of power supply voltages.
• High Output Drive Capability: Capable of driving 15 LSTTL loads.

Benefits

• Improved System Performance: High-speed operation enables faster data processing and transfer rates.
• Reduced Power Dissipation: Low power consumption extends battery life in portable devices and reduces overall energy costs.
• Enhanced System Flexibility: 3-state outputs allow for efficient bus utilization and simplified system design.
• Increased Board Density: Octal configuration minimizes the number of components required, saving valuable board space.
• Simplified System Design: Positive-edge triggering simplifies timing considerations and reduces the complexity of control logic.
• Broad Compatibility: Wide operating voltage range allows for seamless integration with various system architectures.

Additional Details

The TC74VHC374AFT is available in a TSSOP package, suitable for surface-mount technology. Its operating temperature range is -40°C to +85°C. The device features a common 3-state output enable (OE) input, which, when high, forces the outputs to a high-impedance state. The input and output pins are designed to be overvoltage tolerant, providing protection against transient voltage spikes.