EPM7128ELI84-20

Product Overview

Category

The EPM7128ELI84-20 belongs to the category of programmable logic devices (PLDs).

Use

This device is primarily used for digital circuit design and implementation. It offers a flexible and customizable solution for various applications.

Characteristics

• Programmable: The EPM7128ELI84-20 can be programmed to perform specific functions as per the user's requirements.
• High Integration: It integrates multiple logic gates, flip-flops, and other components into a single chip, reducing the need for external components.
• Reconfigurable: The device can be reprogrammed multiple times, allowing for iterative design and testing.
• Low Power Consumption: The EPM7128ELI84-20 is designed to operate efficiently with low power consumption.
• High Speed: It offers fast operation speeds, making it suitable for time-critical applications.

Package and Quantity

The EPM7128ELI84-20 is available in an 84-pin plastic leaded chip carrier (PLCC) package. It is typically sold individually or in small quantities.

Specifications

• Device Type: Complex Programmable Logic Device (CPLD)
• Number of Macrocells: 128
• Operating Voltage: 3.3V
• Maximum Frequency: 20 MHz
• I/O Pins: 68
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The pin configuration of the EPM7128ELI84-20 is as follows:

[Insert detailed pin configuration diagram here]

Functional Features

• Flexible Logic Implementation: The EPM7128ELI84-20 allows users to implement complex logic functions using its macrocells and programmable interconnects.
• In-System Programming: The device supports in-system programming, enabling users to reprogram it without removing it from the circuit.
• JTAG Boundary Scan: It features a JTAG interface for boundary scan testing, facilitating easier debugging and testing of the connected circuitry.

Advantages and Disadvantages

Advantages

• Versatility: The EPM7128ELI84-20 offers a wide range of applications due to its programmability.
• Cost-Effective: It eliminates the need for multiple discrete components, reducing overall system costs.
• Time-Saving: The device allows for rapid prototyping and design iterations, saving valuable development time.

Disadvantages

• Limited Complexity: Compared to larger PLDs or FPGAs, the EPM7128ELI84-20 has a limited number of macrocells, which may restrict the complexity of designs that can be implemented.
• Lower Speed: While suitable for many applications, the maximum operating frequency of 20 MHz may not be sufficient for high-speed applications.

Working Principles

The EPM7128ELI84-20 utilizes a combination of look-up tables (LUTs), flip-flops, and programmable interconnects to implement user-defined logic functions. The device is programmed using hardware description languages (HDL) or schematic entry tools, which generate a configuration file. This file is then loaded into the CPLD, configuring it to perform the desired logic operations.

Application Field Plans

The EPM7128ELI84-20 finds applications in various fields, including: 1. Industrial Automation: Used for control systems, monitoring equipment, and data acquisition. 2. Communications: Employed in networking devices, protocol converters, and signal processing. 3. Consumer Electronics: Integrated into multimedia devices, gaming consoles, and home automation systems. 4. Automotive: Utilized in automotive electronics, such as engine control units (ECUs) and infotainment systems. 5. Medical Devices: Incorporated into medical equipment for diagnostics, monitoring, and treatment.

Alternative Models

1. EPM7128SLC84-15: Similar to the EPM7128ELI84-20 but operates at a maximum frequency of 15 MHz.
2. EPM7128SLC84-10: Another variant with a maximum frequency of 10 MHz.
3. EPM7128SLC84-7: Lower-cost option with a maximum frequency of 7 MHz.

These alternative models offer similar functionality but may differ in terms of speed, power consumption, or package type.

In conclusion, the EPM7128ELI84-20 is a versatile programmable logic device that provides a flexible and customizable solution for digital circuit design. Its high integration, reconfigurability, and low power consumption make it suitable for various applications across different industries.