GAL22V10D-25QP

Product Overview

Category

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

Use

It is commonly used in digital circuit design and implementation.

Characteristics

• Programmable: The GAL22V10D-25QP can be programmed to perform specific logic functions.
• Versatile: It supports a wide range of applications due to its programmability.
• High-speed operation: It operates at a high clock frequency, enabling efficient processing of digital signals.

Package

The GAL22V10D-25QP is available in a quad flat package (QFP), which provides ease of installation and compatibility with various circuit boards.

Essence

The essence of GAL22V10D-25QP lies in its ability to implement complex logic functions through programming, eliminating the need for custom-designed integrated circuits.

Packaging/Quantity

The GAL22V10D-25QP is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of devices. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Operating Voltage: 5V
• Maximum Operating Frequency: 25 MHz
• Number of Inputs: 22
• Number of Outputs: 10
• Logic Family: CMOS
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The GAL22V10D-25QP has a total of 28 pins, each serving a specific purpose. The pin configuration is as follows:

1. VCC: Power supply voltage input
2. GND: Ground reference
3. I/O0: Input/output pin 0
4. I/O1: Input/output pin 1
5. I/O2: Input/output pin 2
6. I/O3: Input/output pin 3
7. I/O4: Input/output pin 4
8. I/O5: Input/output pin 5
9. I/O6: Input/output pin 6
10. I/O7: Input/output pin 7
11. I/O8: Input/output pin 8
12. I/O9: Input/output pin 9
13. I/O10: Input/output pin 10
14. I/O11: Input/output pin 11
15. I/O12: Input/output pin 12
16. I/O13: Input/output pin 13
17. I/O14: Input/output pin 14
18. I/O15: Input/output pin 15
19. I/O16: Input/output pin 16
20. I/O17: Input/output pin 17
21. I/O18: Input/output pin 18
22. I/O19: Input/output pin 19
23. I/O20: Input/output pin 20
24. I/O21: Input/output pin 21
25. GND: Ground reference
26. CE1: Chip enable input 1
27. CE2: Chip enable input 2
28. OE: Output enable input

Functional Features

The GAL22V10D-25QP offers the following functional features:

• Programmable AND/OR array: Allows users to define complex logic functions.
• Macrocells: Provides flip-flops for sequential logic implementation.
• Output buffers: Ensures signal integrity and compatibility with external devices.
• Fast propagation delay: Enables high-speed operation.

Advantages and Disadvantages

Advantages

• Flexibility: The GAL22V10D-25QP can be reprogrammed multiple times, allowing for design iterations and modifications.
• Cost-effective: It eliminates the need for custom-designed integrated circuits, reducing production costs.
• Time-saving: Programming the device is faster than designing and fabricating custom ICs.

Disadvantages

• Limited complexity: The GAL22V10D-25QP has a finite number of inputs and outputs, which may restrict the complexity of logic functions that can be implemented.
• Power consumption: Compared to dedicated ASICs, programmable logic devices like GAL22V10D-25QP consume more power due to their general-purpose nature.

Working Principles

The GAL22V10D-25QP operates based on the principles of combinational and sequential logic. It consists of an array of programmable AND/OR gates, flip-flops, and output buffers. The user programs the device by specifying the desired logic function using a hardware description language (HDL) or a schematic editor. Once programmed, the GAL22V10D-25QP executes the defined logic function in real-time.

Detailed Application Field Plans

The GAL22V10D-25QP finds applications in various fields, including:

1. Digital signal processing
2. Communication systems
3. Industrial automation
4. Automotive electronics
5. Consumer