LC4256V-75T100E

Product Overview

Category: Integrated Circuit (IC)

Use: The LC4256V-75T100E is a programmable logic device (PLD) that belongs to the LC4000V series. It is designed for various applications in the field of digital electronics.

Characteristics: - High-performance PLD with low power consumption - Offers high-speed operation and reliable functionality - Programmable using industry-standard hardware description languages (HDL) - Provides flexible design options for complex digital circuits

Package: The LC4256V-75T100E is available in a compact 100-pin Thin Quad Flat Pack (TQFP) package, which ensures easy integration into electronic systems.

Essence: This PLD serves as a versatile building block for designing and implementing custom digital circuits. It offers a cost-effective solution for applications requiring programmable logic capabilities.

Packaging/Quantity: The LC4256V-75T100E is typically sold in reels or trays, containing a specified quantity of ICs per package.

Specifications

The LC4256V-75T100E has the following specifications:

• Logic Cells: 256
• Maximum User I/Os: 75
• Operating Voltage: 3.3V
• Speed Grade: -75
• Package Type: TQFP
• Temperature Range: Commercial (0°C to 70°C)
• JTAG Support: Yes

Detailed Pin Configuration

The LC4256V-75T100E features a total of 100 pins, each serving a specific purpose in the circuit design. The pin configuration is as follows:

(Pin Number - Pin Name - Description)

1 - VCCIO - I/O Power Supply Voltage

2 - GND - Ground

3 - TDI - Test Data Input

4 - TMS - Test Mode Select

5 - TCK - Test Clock

6 - TDO - Test Data Output

7-10 - NC - No Connect

11-88 - IO[0:77] - User I/O Pins

89-92 - GND - Ground

93 - VCCIO - I/O Power Supply Voltage

94 - VCCINT - Internal Power Supply Voltage

95 - GND - Ground

96 - VCCINT - Internal Power Supply Voltage

97 - GND - Ground

98 - VCCINT - Internal Power Supply Voltage

99 - GND - Ground

100 - VCCINT - Internal Power Supply Voltage

Functional Features

The LC4256V-75T100E offers the following functional features:

1. Programmable Logic: The device allows users to implement custom logic functions by programming the internal look-up tables (LUTs) and interconnections.

2. Flexible I/O Configuration: With 75 user I/O pins, the PLD provides ample options for interfacing with external devices or other digital circuits.

3. JTAG Support: The built-in JTAG interface enables easy programming, debugging, and testing of the device during development and production stages.

4. Low Power Consumption: The IC is designed to operate efficiently with low power consumption, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - Versatile and flexible programmability - High-speed operation for time-critical applications - Compact package size for space-constrained designs - Cost-effective solution compared to custom ASICs

Disadvantages: - Limited number of logic cells compared to higher-end PLDs - May require additional support components for complex designs - Programming and debugging process may have a learning curve for beginners

Working Principles

The LC4256V-75T100E operates based on the principles of programmable logic. It consists of a matrix of configurable logic blocks (CLBs) interconnected through programmable routing resources. The internal look-up tables (LUTs) within each CLB can be programmed to implement desired logic functions, while the interconnections allow for flexible routing of signals.

During operation, the PLD reads the programming instructions from non-volatile memory and configures its internal circuitry accordingly. This allows users to define custom logic functions and create complex digital circuits without the need for dedicated hardware components.

Detailed Application Field Plans

The LC4256V-75T100E finds applications in various fields, including:

1. Industrial Automation: Used in control systems, motor drives, and sensor interfacing for process automation.

2. Communication Systems: Employed in networking equipment, data routers, and protocol converters for efficient data transmission.

3. Consumer Electronics: Integrated into smart home devices, multimedia systems, and gaming consoles for enhanced functionality.

4. Automotive Electronics: Utilized in automotive control units, infotainment systems, and driver assistance modules for improved vehicle performance and safety.

5. Medical Devices: Incorporated into medical imaging systems,