GAL20V8B-25LPN

Product Overview

Category

The GAL20V8B-25LPN belongs to the category of programmable logic devices (PLDs).

Use

It is primarily used for digital circuit design and implementation.

Characteristics

• Programmable: The GAL20V8B-25LPN can be programmed to perform specific logic functions.
• Versatile: It supports a wide range of applications due to its programmability.
• Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.
• High-speed operation: The device offers fast processing capabilities, enabling efficient execution of logic functions.

Package

The GAL20V8B-25LPN comes in a Low Profile Narrow (LPN) package.

Essence

The essence of the GAL20V8B-25LPN lies in its ability to provide flexible and customizable logic functions through programming.

Packaging/Quantity

The device is typically packaged in reels or tubes, with each containing a specific quantity of GAL20V8B-25LPN units.

Specifications

• Operating Voltage: 5V
• Speed Grade: 25ns
• Number of Inputs: 24
• Number of Outputs: 8
• Maximum Operating Frequency: 40MHz
• Programmable Logic Cells: 20

Detailed Pin Configuration

The GAL20V8B-25LPN has a total of 28 pins. The pin configuration is as follows:

1. GND (Ground)
2. I/O0 (Input/Output 0)
3. I/O1 (Input/Output 1)
4. I/O2 (Input/Output 2)
5. I/O3 (Input/Output 3)
6. I/O4 (Input/Output 4)
7. I/O5 (Input/Output 5)
8. I/O6 (Input/Output 6)
9. I/O7 (Input/Output 7)
10. VCC (Power Supply)

11-18. I/O8-I/O15 (Input/Output 8-15) 19-26. I/O16-I/O23 (Input/Output 16-23) 27. OE (Output Enable) 28. CE (Chip Enable)

Functional Features

The GAL20V8B-25LPN offers the following functional features:

• Programmable AND/OR array: Allows users to define custom logic functions.
• Output logic macrocells: Provides output control and feedback capabilities.
• Input latches: Facilitates synchronous operation and data storage.
• Output enable control: Enables or disables the outputs as required.

Advantages and Disadvantages

Advantages

• Flexibility: The device can be programmed to perform various logic functions, offering design flexibility.
• Cost-effective: It eliminates the need for multiple discrete logic components, reducing overall system cost.
• Time-saving: Programming the device is faster than designing and fabricating custom logic circuits.

Disadvantages

• Limited complexity: The GAL20V8B-25LPN has a fixed number of logic cells, which may restrict complex designs.
• One-time programmability: Once programmed, the device cannot be reprogrammed, requiring a new device for any changes.

Working Principles

The GAL20V8B-25LPN operates based on the principles of combinatorial and sequential logic. The programmable AND/OR array allows users to define desired logic functions, while the output logic macrocells provide control and feedback capabilities. The input latches facilitate synchronous operation and data storage, ensuring accurate and reliable logic processing.

Detailed Application Field Plans

The GAL20V8B-25LPN finds applications in various fields, including but not limited to:

1. Industrial automation: Used for control and monitoring systems in manufacturing processes.
2. Telecommunications: Employed in network equipment for signal routing and processing.
3. Automotive electronics: Integrated into automotive control units for efficient system management.
4. Consumer electronics: Utilized in devices like gaming consoles and home appliances for logic control.

Detailed and Complete Alternative Models

• GAL16V8B-25LPN
• GAL22V10D-15LPN
• GAL18V10B-15LPN
• GAL22V10C-10LPN
• GAL16V8D-15LPN

These alternative models offer similar functionality and characteristics to the GAL20V8B-25LPN, providing users with options based on their specific requirements.

In conclusion, the GAL20V8B-25LPN is a versatile programmable logic device that offers flexibility, cost-effectiveness, and high-speed operation. Its application spans across various industries, making it a valuable component in digital circuit design and implementation.