LC4256B-75T100C

Product Overview

Category: Integrated Circuit (IC)

Use: The LC4256B-75T100C is a programmable logic device (PLD) that belongs to the LC4000 series of PLDs. It is designed for use in various digital applications, including telecommunications, industrial control systems, consumer electronics, and automotive electronics.

Characteristics: - High-performance and low-power consumption - Large number of programmable logic elements - Flexible I/O options - On-chip memory resources - Built-in security features

Package: The LC4256B-75T100C is available in a compact 100-pin Thin Quad Flat Pack (TQFP) package, which provides ease of integration into circuit boards.

Essence: This PLD offers a versatile and efficient solution for implementing complex digital logic functions in electronic systems. It enables designers to create custom logic circuits tailored to specific application requirements.

Packaging/Quantity: The LC4256B-75T100C is typically sold in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Logic Cells: 256
• Maximum User I/Os: 75
• Operating Voltage: 3.3V
• Speed Grade: 100 MHz
• Programmable Interconnect Points: 4,000
• On-Chip Memory: 2,048 bits
• JTAG Boundary Scan Support: Yes
• Package Dimensions: 14mm x 14mm

Detailed Pin Configuration

The LC4256B-75T100C has a total of 100 pins, each serving a specific function within the device. The pin configuration includes dedicated input/output pins, power supply pins, ground pins, and configuration pins. For a detailed pinout diagram and description, refer to the product datasheet.

Functional Features

• High-speed programmable logic elements for efficient digital circuit implementation.
• Flexible I/O options allow for easy interfacing with external devices.
• On-chip memory resources enable the storage of configuration data and user-defined look-up tables.
• Built-in security features protect the intellectual property stored within the device.
• JTAG boundary scan support facilitates testing and debugging during development.

Advantages and Disadvantages

Advantages: - Versatile and flexible solution for implementing custom logic functions. - Low power consumption, making it suitable for battery-powered applications. - Large number of programmable logic elements provide ample resources for complex designs. - Compact package size allows for space-efficient integration into electronic systems.

Disadvantages: - Limited maximum user I/O count may restrict connectivity options in certain applications. - Speed grade of 100 MHz may not be sufficient for high-performance applications requiring faster operation.

Working Principles

The LC4256B-75T100C operates based on the principles of programmable logic. It consists of a matrix of programmable logic cells interconnected through configurable routing resources. The device can be programmed using hardware description languages (HDL) or design software tools, which generate a configuration bitstream. This bitstream is then loaded into the PLD, configuring the internal logic elements and interconnects to implement the desired digital circuit functionality.

Detailed Application Field Plans

The LC4256B-75T100C finds application in various fields, including:

1. Telecommunications: Used in network switches, routers, and communication equipment for signal processing and protocol handling.
2. Industrial Control Systems: Employed in automation systems, motor control units, and process control devices for logic control and monitoring.
3. Consumer Electronics: Integrated into audio/video equipment, gaming consoles, and home automation systems for custom logic implementation.
4. Automotive Electronics: Utilized in automotive control units, infotainment systems, and driver assistance modules for digital signal processing and control functions.

Detailed and Complete Alternative Models

1. LC4128V-75T100C: A lower-density PLD with 128 logic cells and similar specifications.
2. LC4352B-120T176C: A higher-density PLD with 352 logic cells and increased I/O count.
3. LC4032ZC-75T48C: A PLD with a smaller package size and reduced logic cell count, suitable for space-constrained applications.

These alternative models offer different combinations of logic cell count, I/O count, and package options to cater to diverse design requirements.

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