GAL20V8B-25QPNI

Product Overview

Category

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

Use

It is commonly used in digital circuit design and implementation, specifically for applications that require programmable logic functions.

Characteristics

• Programmable: The GAL20V8B-25QPNI can be programmed to perform various logic functions.
• Versatile: It supports a wide range of applications due to its programmability.
• High-speed operation: It operates at a clock frequency of up to 25 MHz.
• Low power consumption: It is designed to minimize power consumption during operation.

Package

The GAL20V8B-25QPNI is available in a Quad Flat Pack (QFP) package.

Essence

The essence of GAL20V8B-25QPNI lies in its ability to provide flexible and customizable logic functions, allowing designers to implement complex digital circuits efficiently.

Packaging/Quantity

The GAL20V8B-25QPNI is typically packaged in reels or tubes, with a quantity of 100 units per package.

Specifications

• Operating Voltage: 5V
• Maximum Clock Frequency: 25 MHz
• Number of Inputs: 24
• Number of Outputs: 8
• Programmable Logic Cells: 20
• Maximum Propagation Delay: 10 ns

Detailed Pin Configuration

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

1. VCC
2. I/O0
3. I/O1
4. I/O2
5. I/O3
6. I/O4
7. I/O5
8. I/O6
9. I/O7
10. GND
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. I/O16
20. I/O17
21. I/O18
22. I/O19
23. CLK1
24. GND
25. CE1
26. OE1
27. CE2
28. OE2

Functional Features

• Programmable Logic: The GAL20V8B-25QPNI can be programmed to implement various logic functions, such as AND, OR, XOR, and more.
• Macrocell Structure: It consists of 20 programmable logic cells that can be interconnected to create complex digital circuits.
• Output Enable Control: The device provides output enable control for efficient data flow management.
• Clock Input: The GAL20V8B-25QPNI supports clock input for synchronous operation.

Advantages and Disadvantages

Advantages

• Flexibility: The GAL20V8B-25QPNI offers flexibility in designing digital circuits due to its programmability.
• Cost-effective: It eliminates the need for custom-designed logic circuits, reducing overall costs.
• Time-saving: Designers can quickly prototype and iterate their designs using the GAL20V8B-25QPNI.

Disadvantages

• Limited Complexity: The device has a limited number of logic cells, which may restrict the complexity of the implemented circuit.
• Programming Required: The GAL20V8B-25QPNI needs to be programmed before use, requiring additional time and effort.

Working Principles

The GAL20V8B-25QPNI operates based on the principles of programmable logic. It consists of a matrix of programmable logic cells that can be interconnected to perform desired logic functions. These connections are established by programming the device using specialized software. Once programmed, the GAL20V8B-25QPNI executes the desired logic functions based on the input signals provided.

Detailed Application Field Plans

The GAL20V8B-25QPNI finds applications in various fields, including:

1. Digital Circuit Design: It is widely used in designing digital circuits for consumer electronics, industrial automation, and telecommunications.
2. Prototyping: The device is commonly employed in prototyping new designs due to its flexibility and ease of use.
3. Education: The GAL20V8B-25QPNI serves as a valuable educational tool for teaching digital logic design principles.

Detailed and Complete Alternative Models

1. GAL16V8D-15LPN: This model offers similar functionality with 16 programmable logic cells and operates at a maximum frequency of 15 MHz.
2. GAL22V10D-15LPN: With 22 programmable logic cells and a maximum clock frequency of 15 MHz, this model provides increased complexity compared to GAL20V8B-25QPNI.
3. GAL18V10D-15LPN: This