LC4256C-75TN176I

Product Overview

Category: Integrated Circuit (IC)

Use: The LC4256C-75TN176I is a programmable logic device (PLD) that belongs to the LC4000 series of CPLDs (Complex Programmable Logic Devices). It is designed for digital logic applications and offers high-performance, low-power consumption, and flexibility in circuit design.

Characteristics: - High-density programmable logic device - Low power consumption - Flexible and versatile circuit design capabilities - Fast propagation delay - Wide operating temperature range

Package: The LC4256C-75TN176I is available in a 176-pin Thin Quad Flat Pack (TQFP) package. This package provides ease of handling and soldering during the manufacturing process.

Essence: The essence of the LC4256C-75TN176I lies in its ability to provide designers with a highly configurable and programmable logic solution for various digital applications.

Packaging/Quantity: The LC4256C-75TN176I is typically sold in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Maximum Number of User I/Os: 128
• Maximum Number of Macrocells: 256
• Operating Voltage Range: 3.3V
• Operating Temperature Range: -40°C to +85°C
• Speed Grade: 75 (indicating the maximum frequency of operation)

Detailed Pin Configuration

The LC4256C-75TN176I has a total of 176 pins, each serving a specific purpose in the circuit design. The pin configuration is as follows:

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Functional Features

1. Programmability: The LC4256C-75TN176I offers extensive programmability, allowing designers to implement complex logic functions and custom circuit designs.
2. High-Density Integration: With a maximum of 256 macrocells, this CPLD provides a high level of integration, enabling the implementation of large-scale digital systems.
3. Low Power Consumption: The device is designed to operate with low power consumption, making it suitable for battery-powered applications or energy-efficient designs.
4. Fast Propagation Delay: The LC4256C-75TN176I offers fast signal propagation, ensuring efficient operation in time-critical applications.
5. Wide Operating Temperature Range: The device can withstand a wide range of operating temperatures, making it suitable for various environmental conditions.

Advantages and Disadvantages

Advantages: - High configurability and flexibility - Low power consumption - Fast signal propagation - Wide operating temperature range - Cost-effective solution for digital logic applications

Disadvantages: - Limited number of user I/Os compared to higher-end devices - May require additional external components for certain applications

Working Principles

The LC4256C-75TN176I operates based on the principles of programmable logic. It consists of an array of configurable logic blocks (CLBs) interconnected through programmable interconnects. These CLBs contain look-up tables (LUTs), flip-flops, and other elements that allow designers to implement desired logic functions.

During configuration, the device is programmed using hardware description languages (HDL) or design software tools. The programming sets the functionality of each CLB and interconnects, defining the behavior of the overall circuit.

Once programmed, the LC4256C-75TN176I executes the desired logic functions, processing input signals and generating output signals according to the programmed configuration.

Detailed Application Field Plans

The LC4256C-75TN176I finds applications in various fields, including but not limited to: - Industrial automation - Consumer electronics - Automotive systems - Communication equipment - Medical devices

In industrial automation, it can be used for control and monitoring purposes. In consumer electronics, it can be utilized for digital signal processing or interface control. In automotive systems, it can contribute to functions like engine management or driver assistance systems. In communication equipment, it can enable data routing and protocol handling. In medical devices, it can assist in patient monitoring or diagnostic systems.

Detailed and Complete Alternative Models

1. LC4128C-75TN100I: A lower-density CPLD with 128 macrocells and 100-pin TQFP package.
2. LC4352C-120TN176I: A higher-density CPLD with 352 macrocells and 120-pin TQFP package.
3. LC4032V-75TN48C: A CPLD with 32 macrocells and 48-pin TQFP package, suitable for smaller-scale designs.

These alternative models offer different levels of integration and pin configurations, allowing designers to choose the most appropriate device based on their specific requirements.

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