The PI74FCT521ATQ is a high-speed, low-power octal D-type flip-flop with a three-state output from Pericom Semiconductor. It is designed for use in high-performance memory, register, and bus interface applications. The device features eight independent D-type flip-flops, each with its own data input (D) and clock input (CLK). The common three-state output enable (OE) controls all eight outputs. When OE is low, the outputs are enabled, and when OE is high, the outputs are in a high-impedance state.

Applications:

• High-performance memory systems: Used as register elements in memory address decoding and data storage.
• Register files: Employed in register file implementations for temporary data storage in digital systems.
• Bus interface applications: Provides buffering and latching functions for data transfer across system buses.
• Data multiplexing: Enables selection and routing of data from multiple sources to a single destination.
• Clocked data registers: Registers which latch and store data on the rising or falling edge of a clock signal.

Features:

• High-speed operation: Ensures fast data transfer and processing.
• Low power consumption: Minimizes power dissipation in the system.
• Octal D-type flip-flops: Provides eight independent storage elements.
• Three-state outputs: Allows for easy connection to a bus.
• Common output enable: Simplifies control of the outputs.
• Positive edge-triggered clock: Data is latched on the rising edge of the clock signal.
• TTL compatible inputs: Compatible with standard TTL logic levels.

Benefits:

• Improved system performance: High-speed operation enables faster data processing.
• Reduced power consumption: Low power dissipation leads to longer battery life in portable applications and reduced heat generation.
• Increased system density: Compact packaging allows for more components to be placed on a circuit board.
• Simplified system design: Three-state outputs and common output enable simplify bus interface design.
• Enhanced system reliability: Robust design ensures reliable operation in harsh environments.

Additional Details:

The PI74FCT521ATQ operates from a 4.75V to 5.25V supply voltage. It is available in a variety of packages, including SOIC and QSOP. It is characterized for operation from -40°C to +85°C. The propagation delay is typically in the range of nanoseconds. This device is a reliable component for digital logic designs requiring high speed and low power.