LC4256B-75FTN256BC

Product Overview

Category: Integrated Circuit (IC)

Use: The LC4256B-75FTN256BC is a programmable logic device (PLD) that belongs to the family of Complex Programmable Logic Devices (CPLDs). It is designed for digital logic applications and offers high-performance, low-power consumption, and flexibility in circuit design.

Characteristics: - High-density integration - Low power consumption - Flexible and reprogrammable - Fast propagation delay - Wide operating temperature range

Package: The LC4256B-75FTN256BC comes in a 256-ball FineLine BGA package, which provides excellent thermal performance and compact size. This package ensures reliable connections and efficient heat dissipation.

Essence: The essence of the LC4256B-75FTN256BC lies in its ability to implement complex digital logic functions using programmable interconnects and logic blocks. It allows designers to create custom circuits without the need for discrete components.

Packaging/Quantity: The LC4256B-75FTN256BC is typically sold in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Logic Cells: 2,560
• Macrocells: 128
• I/O Pins: 160
• Operating Voltage: 3.3V
• Operating Frequency: Up to 75MHz
• Operating Temperature Range: -40°C to +85°C
• Programmable Interconnects: 5,376
• On-Chip Memory: 32Kbits

Detailed Pin Configuration

The LC4256B-75FTN256BC has a total of 256 pins. The pin configuration is as follows:

• Pin 1: VCCIO
• Pin 2: GND
• Pin 3: VCCINT
• Pin 4: GND
• ...
• Pin 255: IO160
• Pin 256: GND

For a complete pin configuration diagram, please refer to the datasheet.

Functional Features

1. Programmability: The LC4256B-75FTN256BC offers high flexibility and reprogrammability, allowing designers to modify the circuit functionality even after manufacturing.
2. High-Density Integration: With 2,560 logic cells and 128 macrocells, this PLD provides a high level of integration, enabling complex digital designs in a single device.
3. Fast Propagation Delay: The device operates at high speeds with a fast propagation delay, ensuring efficient execution of digital logic functions.
4. Low Power Consumption: The LC4256B-75FTN256BC is designed to minimize power consumption, making it suitable for battery-powered applications.
5. Wide Operating Temperature Range: It can operate reliably in a wide temperature range from -40°C to +85°C, making it suitable for various environments.

Advantages and Disadvantages

Advantages: - High-density integration allows complex designs in a single device. - Reprogrammability enables flexibility in circuit design. - Low power consumption makes it suitable for portable devices. - Fast propagation delay ensures efficient operation. - Wide operating temperature range enhances versatility.

Disadvantages: - Limited number of I/O pins compared to some other PLDs. - Higher cost compared to simpler programmable logic devices.

Working Principles

The LC4256B-75FTN256BC utilizes a combination of programmable interconnects and logic blocks to implement digital logic functions. The interconnects allow designers to establish connections between different logic elements, while the logic blocks provide configurable logic gates and flip-flops.

The device is programmed using a Hardware Description Language (HDL) or a schematic entry tool. The programming file is then loaded into the PLD, configuring the interconnects and logic blocks to realize the desired circuit functionality.

Detailed Application Field Plans

The LC4256B-75FTN256BC finds applications in various fields, including:

1. Embedded Systems: It can be used in embedded systems for controlling and interfacing with peripheral devices.
2. Communications: The PLD can be employed in communication systems for protocol handling, data routing, and signal processing.
3. Industrial Automation: It enables the implementation of control logic in industrial automation systems, such as PLCs (Programmable Logic Controllers).
4. Consumer Electronics: The device can be utilized in consumer electronics products for custom logic functions, such as display control, user interface, and power management.

Detailed and Complete Alternative Models

1. Altera MAX II EPM240 CPLD
2. Xilinx CoolRunner-II XC2C256 CPLD
3. Lattice MachXO2 LCMXO2-