GAL16V8D-7LJN

Product Overview

Category

The GAL16V8D-7LJN belongs to the category of programmable logic devices (PLDs).

Use

It is commonly used in digital circuit design and implementation.

Characteristics

• Programmable: The GAL16V8D-7LJN 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 GAL16V8D-7LJN is available in a 20-pin PLCC (Plastic Leaded Chip Carrier) package.

Essence

The essence of the GAL16V8D-7LJN lies in its ability to provide flexible and customizable logic functions for various digital circuit designs.

Packaging/Quantity

The GAL16V8D-7LJN is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Technology: CMOS
• Number of Inputs: 16
• Number of Outputs: 8
• Operating Voltage: 5V
• Maximum Frequency: 7.5 MHz
• Programming Method: Fuse-link

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. CE1 (Chip Enable 1)
11. CE2 (Chip Enable 2)
12. OE (Output Enable)
13. I/O8 (Input/Output 8)
14. I/O9 (Input/Output 9)
15. I/O10 (Input/Output 10)
16. I/O11 (Input/Output 11)
17. VCC (Power Supply)
18. I/O12 (Input/Output 12)
19. I/O13 (Input/Output 13)
20. I/O14 (Input/Output 14)

Functional Features

• Programmable Logic: The GAL16V8D-7LJN can be programmed to implement various logic functions, such as AND, OR, XOR, etc.
• Macrocell Structure: It consists of multiple macrocells that can be individually programmed to perform specific functions.
• Output Enable Control: The OE pin allows the user to enable or disable the output signals.
• Chip Enable Control: The CE1 and CE2 pins provide chip-level control for enabling or disabling the device.

Advantages and Disadvantages

Advantages

• Flexibility: The GAL16V8D-7LJN offers flexibility in designing digital circuits by allowing customization of logic functions.
• Cost-effective: It eliminates the need for custom-designed integrated circuits, reducing overall costs.
• Time-saving: Programming the device is faster than designing and fabricating custom ICs.

Disadvantages

• Limited Complexity: The GAL16V8D-7LJN has a limited number of inputs and outputs, which may restrict its use in complex designs.
• Programming Limitations: The programming options are finite and may not cover all possible logic functions.

Working Principles

The GAL16V8D-7LJN operates based on the principles of programmable logic. It consists of an array of configurable logic cells that can be programmed to implement desired logic functions. The programming is achieved by blowing fuses within the device, which determines the interconnections and functionality of the logic cells.

Detailed Application Field Plans

The GAL16V8D-7LJN finds applications in various fields, including: 1. Digital circuit design 2. Embedded systems 3. Communication systems 4. Industrial automation 5. Consumer electronics

Detailed and Complete Alternative Models

1. GAL20V8B-15LP: Similar to GAL16V8D-7LJN but with 20 inputs/outputs and a higher maximum frequency.
2. GAL22V10D-15LP: Offers more inputs/outputs and macrocells compared to GAL16V8D-7LJN.
3. ATF16V8BQL-15PU: A similar programmable logic device with additional features like security bit and power-up clear.

These alternative models provide options with varying specifications and capabilities, allowing designers to choose the most suitable device for their specific requirements.

In conclusion, the GAL16V8D-7LJN is a versatile programmable logic device