GAL16V8D-25LPI

Product Overview

Category

The GAL16V8D-25LPI belongs to the category of programmable logic devices (PLDs).

Use

It is commonly used in digital circuit design and implementation.

Characteristics

• Programmable: The GAL16V8D-25LPI can be programmed to perform specific logic functions.
• High-speed operation: It operates at a speed of 25ns, making it suitable for time-critical applications.
• Low power consumption: The device is designed to consume minimal power during operation.

Package

The GAL16V8D-25LPI comes in a low-profile 20-pin DIP (Dual In-line Package) package.

Essence

The essence of GAL16V8D-25LPI lies in its ability to provide flexible and customizable logic functions within a single integrated circuit.

Packaging/Quantity

The device is typically packaged in tubes or trays, with quantities varying based on customer requirements.

Specifications

• Operating Voltage: 5V
• Maximum Operating Frequency: 40MHz
• Number of Inputs: 16
• Number of Outputs: 8
• Programmable Macrocell: Yes
• Maximum Number of Product Terms: 8
• Maximum Number of Output Enables: 2

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. OE1 - Output Enable 1
11. OE2 - Output Enable 2
12. CLK - Clock Input
13. CE - Chip Enable
14. I/O8 - Input/Output 8
15. I/O9 - Input/Output 9
16. I/O10 - Input/Output 10
17. I/O11 - Input/Output 11
18. I/O12 - Input/Output 12
19. I/O13 - Input/Output 13
20. VCC - Power Supply

Functional Features

• Programmability: The GAL16V8D-25LPI can be programmed using industry-standard programming tools to implement various logic functions.
• High-speed operation: With a maximum operating frequency of 40MHz, it is suitable for applications requiring fast response times.
• Flexible I/O configuration: The device offers 16 input/output pins, providing versatility in connecting with other components.
• Output enable control: Two output enable pins allow for selective activation of outputs, enhancing system control.

Advantages and Disadvantages

Advantages

• Flexibility: The programmable nature of GAL16V8D-25LPI allows for customization and adaptation to specific design requirements.
• Cost-effective: By eliminating the need for multiple discrete logic components, it reduces overall system cost.
• Time-saving: The device simplifies circuit design by offering pre-designed logic functions that can be easily programmed.

Disadvantages

• Limited complexity: Compared to more advanced programmable devices, the GAL16V8D-25LPI has a limited number of product terms and macrocells, which may restrict the complexity of logic functions that can be implemented.
• Lack of real-time reconfiguration: Once programmed, the device cannot be dynamically reconfigured during operation.

Working Principles

The GAL16V8D-25LPI operates based on the principles of combinatorial logic. It consists of a programmable AND array, which allows the creation of custom product terms, and a fixed OR array that combines these product terms to generate the desired outputs. The programming process involves specifying the desired logic function by setting appropriate connections within the device.

Detailed Application Field Plans

The GAL16V8D-25LPI finds applications in various fields, including: 1. Digital circuit design 2. Microcontroller interfacing 3. Communication systems 4. Industrial automation 5. Automotive electronics

Detailed and Complete Alternative Models

1. GAL16V8B-25LPI: Similar to GAL16V8D-25LPI but with a different pin configuration.
2. GAL20V8B-25LPI: Offers additional macrocells and product terms for more complex logic functions.
3. GAL22V10D-15LPI: Provides higher density and more advanced features compared to GAL16V8D-25LPI.

These alternative models offer varying capabilities and can be chosen based on specific project requirements.

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