The 54HC173/BEAJC is a high-speed CMOS 4-bit D-type register with 3-state outputs, manufactured by Lattice Semiconductor Corporation. This device is part of the 54HC series, known for its high-speed operation and low power consumption. The register features parallel load capability, allowing all four bits to be loaded simultaneously, and 3-state outputs, which can be disabled to effectively remove the device from the bus.

Applications

• Microprocessor Systems: Used for temporary data storage and buffering in microprocessor-based systems.
• Memory Address Registers: Employed in memory address decoding circuits to store memory addresses.
• Data Buffers: Utilized as data buffers to isolate and drive signals in digital systems.
• Shift Registers: Can be configured as a shift register for serial-to-parallel data conversion.
• Digital Logic Circuits: Used in various digital logic circuits for data storage and manipulation.

Features

• High-Speed Operation: Provides high-speed operation with typical propagation delays in the nanosecond range.
• Low Power Consumption: Features low power consumption, making it suitable for battery-powered applications.
• Parallel Load Capability: Allows for simultaneous loading of all four bits.
• 3-State Outputs: Offers 3-state outputs, which can be disabled to isolate the device from the bus.
• CMOS Technology: Utilizes CMOS technology for high noise immunity and low static power dissipation.

Benefits

• Improved System Performance: High-speed operation enhances the overall performance of digital systems.
• Reduced Power Consumption: Low power consumption extends battery life in portable devices.
• Simplified Data Handling: Parallel load capability simplifies data handling and reduces the number of required clock cycles.
• Enhanced System Flexibility: 3-state outputs allow for flexible bus architecture and reduce loading effects.
• Increased Noise Immunity: CMOS technology provides high noise immunity, ensuring reliable operation in noisy environments.

Additional Details

The 54HC173/BEAJC operates from a supply voltage of 2V to 6V. It has a typical quiescent current in the microampere range. The device is available in various packages, such as DIP (Dual In-line Package) and SOIC (Small Outline Integrated Circuit). The operating temperature range is typically -40°C to +85°C. The device is sensitive to electrostatic discharge (ESD), so proper handling precautions should be taken during assembly and testing. It’s important to refer to the manufacturer's datasheet for detailed specifications, pinout diagrams, and application guidelines. This device is commonly used in digital systems where high speed, low power consumption, and parallel data handling are required.