The EPM7128LC84-15 is a high-density Programmable Logic Device (PLD) from Intel's MAX 7000 series. This device offers a flexible and cost-effective solution for a variety of digital logic applications. It's characterized by its in-system programmability, allowing for design changes and updates without physically replacing the device.

Applications:

• Address Decoding: Used in memory systems to decode memory addresses.
• State Machines: Implements complex sequential logic for controlling various processes.
• Peripheral Control: Interfaces with and controls peripheral devices like sensors and actuators.
• Glue Logic: Provides interface between different components in a digital system.
• Data Processing: Performs basic data manipulation and arithmetic operations.

Features:

• 128 Macrocells: Provides a large number of configurable logic blocks.
• 84-Pin PLCC Package: Offers a compact and easy-to-handle package.
• In-System Programmability (ISP): Allows for easy reprogramming of the device.
• High Speed: Features a propagation delay of 15ns.
• Programmable Interconnect Array (PIA): Provides flexible routing of signals between macrocells.
• TTL and CMOS Compatible Inputs: Interfaces seamlessly with a wide range of logic families.
• Built-in JTAG Boundary Scan: Facilitates testing and debugging of the device.

Benefits:

• Design Flexibility: Allows for easy modification and optimization of designs.
• Reduced Time-to-Market: Enables rapid prototyping and development.
• Lower System Cost: Integrates multiple logic functions into a single device, reducing board space and component count.
• Improved System Performance: High-speed operation ensures efficient data processing.
• Simplified Design Process: User-friendly development tools and software support facilitate design and implementation.

Technical Specifications:

The EPM7128LC84-15 operates within a specific range of voltage and temperature. It typically requires a 5V power supply. The device’s architecture comprises macrocells interconnected via a programmable interconnect array (PIA). Each macrocell contains configurable logic elements, including product terms, that can be programmed to implement various logic functions. The device also includes input/output (I/O) pins that can be configured as inputs, outputs, or bidirectional pins. The ISP capability allows for reprogramming of the device via a serial interface without removing it from the circuit board.