XC18V256PC20I

Product Overview

Category

XC18V256PC20I belongs to the category of programmable logic devices (PLDs).

Use

It is commonly used in digital circuit design and implementation, providing flexibility and reconfigurability.

Characteristics

• Programmable: The device can be programmed to perform specific functions.
• Reconfigurable: It can be reprogrammed multiple times to adapt to changing requirements.
• High-density: The XC18V256PC20I offers a large number of logic gates and flip-flops in a single package.
• Low power consumption: It operates efficiently, minimizing power usage.
• Fast operation: The device provides high-speed performance for time-critical applications.

Package

XC18V256PC20I is available in a 20-pin plastic leaded chip carrier (PLCC) package.

Essence

The essence of XC18V256PC20I lies in its ability to provide a flexible and customizable solution for digital circuit design.

Packaging/Quantity

The device is typically packaged individually and is available in various quantities depending on the supplier.

Specifications

• Logic capacity: 256 kilobits
• Operating voltage: 3.3V
• Speed grade: 20
• Number of I/O pins: 18
• Maximum operating frequency: 100 MHz
• Programming technology: EEPROM-based

Detailed Pin Configuration

1. VCC
2. GND
3. I/O0
4. I/O1
5. I/O2
6. I/O3
7. I/O4
8. I/O5
9. I/O6
10. I/O7
11. I/O8
12. I/O9
13. I/O10
14. I/O11
15. I/O12
16. I/O13
17. I/O14
18. I/O15
19. CE#
20. OE#

Functional Features

• In-system programmability: The device can be programmed while in the target system, eliminating the need for separate programming equipment.
• High-speed operation: XC18V256PC20I offers fast performance suitable for demanding applications.
• Flexible I/O configuration: The device allows for various input and output configurations to accommodate different circuit designs.
• Low power consumption: It operates efficiently, minimizing power usage and extending battery life in portable devices.

Advantages and Disadvantages

Advantages

• Flexibility: The device can be reprogrammed multiple times, allowing for design changes without replacing hardware.
• Cost-effective: XC18V256PC20I eliminates the need for custom-designed integrated circuits, reducing development costs.
• Time-saving: The programmable nature of the device enables faster prototyping and reduces time-to-market.

Disadvantages

• Limited logic capacity: Compared to fixed-function integrated circuits, PLDs have a finite number of logic gates and flip-flops.
• Programming complexity: Designing and programming PLDs require specialized knowledge and tools.

Working Principles

XC18V256PC20I is based on EEPROM (Electrically Erasable Programmable Read-Only Memory) technology. It consists of an array of configurable logic blocks interconnected by programmable interconnects. The device's functionality is determined by the configuration data stored in its memory cells. During operation, the device retrieves the configuration data and dynamically configures its internal logic to perform the desired functions.

Detailed Application Field Plans

XC18V256PC20I finds applications in various fields, including: 1. Digital signal processing 2. Communication systems 3. Industrial automation 4. Consumer electronics 5. Automotive electronics

Detailed and Complete Alternative Models

1. XC18V256PC20C: Similar to XC18V256PC20I but available in a different package.
2. XC18V256PC20B: A lower-speed grade variant of XC18V256PC20I.
3. XC18V256PC20D: Higher-speed grade variant with enhanced performance.

These alternative models offer similar functionality and can be considered as substitutes for XC18V256PC20I depending on specific requirements.

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