GAL22V10D-25LJI

Product Overview

Category

The GAL22V10D-25LJI belongs to the category of programmable logic devices (PLDs).

Use

This device is commonly used in digital circuit design and implementation. It provides a flexible and customizable solution for various applications.

Characteristics

• Programmable: The GAL22V10D-25LJI can be programmed to perform specific logic functions.
• High-speed operation: It operates at a maximum frequency of 25 MHz, allowing for efficient processing of digital signals.
• Low power consumption: This device is designed to minimize power usage, making it suitable for battery-powered applications.
• Versatile: It supports a wide range of applications due to its programmability.

Package

The GAL22V10D-25LJI is available in a PLCC-28 package, which stands for Plastic Leaded Chip Carrier. This package offers good protection for the integrated circuit and facilitates easy installation on printed circuit boards (PCBs).

Essence

The essence of the GAL22V10D-25LJI lies in its ability to provide configurable logic functions, enabling designers to implement custom digital circuits without the need for dedicated hardware.

Packaging/Quantity

The GAL22V10D-25LJI is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Maximum Frequency: 25 MHz
• Number of Inputs: 22
• Number of Outputs: 10
• Operating Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Programming Technology: Electrically Erasable Programmable Logic Device (EEPROM)

Detailed Pin Configuration

The GAL22V10D-25LJI has a total of 28 pins. Here is the detailed pin configuration:

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. I/O8 (Input/Output 8)
11. I/O9 (Input/Output 9)
12. VCC (Power Supply)
13. GND (Ground)
14. I/O10 (Input/Output 10)
15. I/O11 (Input/Output 11)
16. I/O12 (Input/Output 12)
17. I/O13 (Input/Output 13)
18. I/O14 (Input/Output 14)
19. I/O15 (Input/Output 15)
20. I/O16 (Input/Output 16)
21. I/O17 (Input/Output 17)
22. I/O18 (Input/Output 18)
23. I/O19 (Input/Output 19)
24. I/O20 (Input/Output 20)
25. I/O21 (Input/Output 21)
26. /OE (Output Enable)
27. /CE (Chip Enable)
28. /PGM (Program)

Functional Features

The GAL22V10D-25LJI offers the following functional features:

• Programmable Logic: It can be configured to perform various logic functions, such as AND, OR, XOR, and more.
• Output Enable (/OE): This feature allows the user to enable or disable the output signals.
• Chip Enable (/CE): It enables or disables the entire device, controlling its operation.
• Electrically Erasable Programmable Logic Device (EEPROM): The GAL22V10D-25LJI can be reprogrammed multiple times, providing flexibility in design iterations.

Advantages and Disadvantages

Advantages

• Flexibility: The GAL22V10D-25LJI allows designers to create custom logic functions without the need for dedicated hardware.
• Cost-effective: By using programmable logic devices, manufacturers can reduce costs associated with producing specific integrated circuits for each application.
• Time-saving: Designers can quickly iterate and modify the logic functions by reprogramming the device instead of redesigning the entire circuit.

Disadvantages

• Limited Complexity: The GAL22V10D-25LJI has a limited number of inputs and outputs, which may restrict the complexity of the circuits that can be implemented.
• Programming Expertise Required: Proper programming knowledge is necessary to utilize the full potential of this device effectively.

Working Principles

The GAL22V10D-25LJI operates based on the principles of combinational logic. It consists of configurable logic blocks (CLBs) that