The XC3042-70PC84I is a Field-Programmable Gate Array (FPGA) from the Xilinx XC3000 family. This device provides a configurable platform for implementing custom digital logic circuits. Its architecture is based on Configurable Logic Blocks (CLBs) interconnected by a programmable interconnect matrix, which allows developers to tailor the device to specific application requirements.

Applications

• Prototyping of digital systems: The XC3042-70PC84I allows for rapid prototyping and validation of digital designs before committing to an Application-Specific Integrated Circuit (ASIC).
• Implementing custom logic functions: It can be used to implement logic functions not found in standard logic families.
• Glue logic replacement: This FPGA can replace multiple discrete logic devices, reducing board space and increasing system reliability.
• State machine design and implementation: Well-suited for implementing complex state machines.
• Data processing and control applications: Can be used in a variety of data processing and control systems.

Features

• Configurable Logic Blocks (CLBs): The core building blocks that provide the logic implementation capabilities of the FPGA.
• Programmable Interconnect Matrix: Enables flexible routing of signals between CLBs.
• Input/Output Blocks (IOBs): Provide the interface between the FPGA and external devices.
• 84-Pin Plastic Leaded Chip Carrier (PLCC) package: A robust package providing reliable connection to the circuit board.
• 70 MHz maximum operating frequency: Indicates the maximum clock frequency for reliable operation.
• On-chip memory elements: Facilitates the implementation of small memory buffers and registers within the FPGA.

Benefits

• Flexibility and reconfigurability: The FPGA can be reprogrammed multiple times, allowing for design modifications without hardware replacement.
• Reduced time-to-market: Faster prototyping and development compared to traditional ASIC design.
• Lower development costs: Eliminates the need for expensive mask sets and fabrication runs.
• Customization: Enables the implementation of highly customized logic functions tailored to specific applications.
• System integration: Reduces board space and improves system reliability by integrating multiple functions into a single device.

Additional Details

The XC3042-70PC84I operates on a 5V power supply. The '70' in the part number represents a speed grade of 70 MHz. The PC84 signifies a Plastic Leaded Chip Carrier (PLCC) package with 84 pins. The 'I' designates the industrial temperature range. This FPGA is typically programmed using an external configuration memory or via a JTAG interface.