LC4256V-75T144C

Product Overview

Category: Integrated Circuit (IC)

Use: The LC4256V-75T144C is a programmable logic device (PLD) that belongs to the family of Complex Programmable Logic Devices (CPLDs). It is designed for use in various electronic applications where programmable logic functionality is required.

Characteristics: - High-density CPLD with 256 macrocells - Low power consumption - Fast propagation delay - Wide operating voltage range - Flexible pin configuration - Easy programming and reprogramming capabilities

Package: The LC4256V-75T144C is available in a 144-pin Thin Quad Flat Pack (TQFP) package. This package provides a compact and space-saving solution for integrating the IC into electronic systems.

Essence: The essence of the LC4256V-75T144C lies in its ability to provide programmable logic functionality, allowing designers to implement custom digital circuits without the need for discrete components.

Packaging/Quantity: The LC4256V-75T144C is typically sold in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Macrocell Count: 256
• Operating Voltage Range: 3.0V to 5.5V
• Propagation Delay: 7.5 ns (typical)
• I/O Pins: 114
• Maximum Frequency: 125 MHz
• JTAG Boundary Scan Support: Yes
• Programming Interface: Serial or Parallel

Detailed Pin Configuration

The LC4256V-75T144C has a total of 144 pins. The pinout and functions of each pin are as follows:

(Pin Number) - (Pin Name) - (Function)

1 - VCCIO - Power supply for I/O pins

2 - GND - Ground

3 - TCK - JTAG Test Clock

4 - TMS - JTAG Test Mode Select

5 - TDI - JTAG Test Data In

6 - TDO - JTAG Test Data Out

...

144 - VCC - Power supply for the IC

Functional Features

• High-density programmable logic device
• Flexible pin configuration allows for versatile circuit design
• Low power consumption for energy-efficient applications
• Fast propagation delay enables high-speed operation
• JTAG boundary scan support for easy testing and debugging
• Easy programming and reprogramming capabilities for quick design iterations

Advantages and Disadvantages

Advantages: - High-density integration reduces component count and board space requirements - Flexibility in pin configuration allows for customization and adaptation to various applications - Low power consumption makes it suitable for battery-powered devices - Fast propagation delay enables real-time processing of digital signals - JTAG boundary scan support simplifies testing and debugging processes - Easy programming and reprogramming capabilities facilitate rapid prototyping and design iterations

Disadvantages: - Limited macrocell count compared to larger CPLDs or FPGAs - Higher cost per macrocell compared to larger devices - Limited I/O pins may restrict connectivity options in complex designs

Working Principles

The LC4256V-75T144C operates based on the principles of programmable logic. It consists of a matrix of configurable logic blocks (CLBs) interconnected by programmable interconnects. The CLBs contain look-up tables (LUTs), flip-flops, and other logic elements that can be programmed to implement desired digital functions.

During operation, the user programs the LC4256V-75T144C using a programming interface, either serial or parallel. The programmed configuration data is stored in non-volatile memory within the IC. Once programmed, the device operates autonomously, executing the desired logic functions based on the programmed configuration.

Detailed Application Field Plans

The LC4256V-75T144C finds applications in various fields where programmable logic functionality is required. Some of the potential application areas include:

1. Industrial Automation: The IC can be used to implement control and monitoring systems for industrial processes, such as PLCs (Programmable Logic Controllers) and motor control units.

2. Communication Systems: It can be utilized in communication equipment, such as routers, switches, and network interface cards, to provide custom logic functions and protocol handling.

3. Consumer Electronics: The IC can be integrated into consumer electronic devices, such as smart home appliances, gaming consoles, and multimedia systems, to enable customized features and enhanced functionality.

4. Automotive Electronics: It can be employed in automotive applications, including engine control units, infotainment systems, and advanced driver-assistance systems (ADAS), to implement specific logic functions and interfaces.

5. Medical Devices: The IC can be utilized in medical equipment, such as patient monitoring systems, diagnostic devices, and imaging systems, to enable programmable logic