The PLC16V8-Q35FA is a Programmable Logic Controller (PLC) device, specifically a simple Programmable Logic Device (SPLD), likely manufactured by Lattice Semiconductor or a similar company, though identified here as "Others". This type of device allows users to implement custom logic functions by programming the internal architecture.

Applications

• Glue Logic Replacement: Replacing discrete logic gates in older systems to reduce component count and improve reliability.
• Address Decoding: Generating chip select signals for memory or peripheral devices in embedded systems.
• State Machines: Implementing sequential logic circuits for controlling various processes.
• Simple Peripheral Controllers: Managing basic functions such as timers, counters, or UARTs.
• Educational Purposes: Used in digital logic and computer architecture courses to teach PLD programming and design.

Features

• Programmable Logic Array: Allows users to define custom logic functions using Boolean equations or schematic entry.
• Reprogrammable: Can be reprogrammed multiple times, allowing for design iterations and modifications.
• Fast Propagation Delay: Offers quick response times for time-critical applications. The "35" in "Q35FA" typically indicates a propagation delay of 3.5ns.
• Low Power Consumption: Suitable for battery-powered or energy-sensitive applications.
• TTL Compatible Inputs/Outputs: Interoperates easily with standard TTL logic circuits.

Benefits

• Design Flexibility: Allows for customization of logic functions to meet specific application requirements.
• Reduced Board Space: Integrates multiple logic gates into a single package, saving PCB area.
• Improved Reliability: Replaces discrete components, reducing the number of solder joints and potential failure points.
• Faster Time-to-Market: Enables rapid prototyping and design changes.
• Cost-Effective Solution: Can be more economical than using discrete logic components for complex designs.

Additional Details

The PLC16V8 is a commonly used PLD architecture, offering a balance of flexibility, performance, and cost. The "16" in the part number typically refers to the number of macrocells or output pins available on the device. The "V8" designates it as a versatile architecture with programmable output polarity and register options. The "Q" often indicates the package type, which could be a PLCC (Plastic Leaded Chip Carrier) or similar. The "FA" might represent a specific temperature range or processing option. Programmers typically use specialized software tools and hardware programmers to configure the device based on a design file (e.g., a JEDEC file). The Q35 version represents the faster speed grade of the PLC16V8 family, with a typical propagation delay of 3.5 nanoseconds.