GAL16V8D-15LPI

Product Overview

Category

The GAL16V8D-15LPI 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 GAL16V8D-15LPI can be programmed to perform various logic functions.
• High-speed operation: It operates at a high clock frequency, making it suitable for time-critical applications.
• Low power consumption: The device is designed to minimize power consumption, making it energy-efficient.
• Versatile: It supports a wide range of logic functions, allowing for flexible circuit design.

Package

The GAL16V8D-15LPI is available in a Low Profile Integrated Circuit (LPI) package. This package offers a compact form factor, making it suitable for space-constrained designs.

Essence

The essence of GAL16V8D-15LPI lies in its ability to provide reconfigurable logic functions, enabling designers to implement custom digital circuits without the need for dedicated hardware.

Packaging/Quantity

The GAL16V8D-15LPI 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: 15 MHz
• Number of Inputs: 16
• Number of Outputs: 8
• Programmable Logic Cells: 8
• Maximum User Programmable Gates: 32
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The GAL16V8D-15LPI has a total of 20 pins, which are assigned specific functions as follows:

1. GND: Ground
2. I/O0: Input/Output Pin 0
3. I/O1: Input/Output Pin 1
4. I/O2: Input/Output Pin 2
5. I/O3: Input/Output Pin 3
6. I/O4: Input/Output Pin 4
7. I/O5: Input/Output Pin 5
8. I/O6: Input/Output Pin 6
9. I/O7: Input/Output Pin 7
10. VCC: Power Supply Voltage
11. CE1: Chip Enable 1
12. CE2: Chip Enable 2
13. OE: Output Enable
14. PTG: Product Term Global
15. CLK1: Clock 1
16. CLK2: Clock 2
17. I/O8: Input/Output Pin 8
18. I/O9: Input/Output Pin 9
19. I/O10: Input/Output Pin 10
20. NC: No Connection

Functional Features

The GAL16V8D-15LPI offers the following functional features:

• Programmable Logic Cells: The device contains eight programmable logic cells, allowing for complex logic functions to be implemented.
• Product Terms: Each logic cell has four product terms, providing flexibility in defining logic equations.
• Macrocells: The device includes eight macrocells, which can be individually configured as inputs, outputs, or feedback paths.
• Output Enable: The output enable pin allows for tri-state operation, enabling bus sharing and bidirectional communication.

Advantages and Disadvantages

Advantages

• Flexibility: The GAL16V8D-15LPI provides designers with the ability to implement custom logic functions, eliminating the need for dedicated hardware.
• Cost-effective: By using a programmable logic device, designers can reduce costs associated with manufacturing and inventory management.
• Time-saving: The device allows for rapid prototyping and design iterations, accelerating the development process.

Disadvantages

• Limited Complexity: The GAL16V8D-15LPI has a limited number of programmable gates and product terms, which may restrict the complexity of logic functions that can be implemented.
• Programming Required: To utilize the device's functionality, programming is necessary, which adds an additional step to the design process.

Working Principles

The GAL16V8D-15LPI operates based on the principles of combinatorial logic. It consists of programmable AND and OR arrays, which are interconnected to form the desired logic functions. The device can be programmed using specialized software or hardware programmers, allowing users to define the desired logic equations and configure the macrocells accordingly.

Detailed Application Field Plans

The GAL16V8D-15LPI finds applications in various fields, including:

1. Digital Circuit Design: The device is widely used in the design and implementation of digital circuits, such as multiplexers, decoders, counters, and state machines. 2