GAL16V8D-15QJN

Product Overview

Category: Programmable Logic Device (PLD)

Use: The GAL16V8D-15QJN is a high-performance PLD designed for digital logic applications. It offers versatile programmability and can be used in various electronic systems.

Characteristics: - High-speed operation - Low power consumption - Wide operating voltage range - Flexible programming options - Reliable performance

Package: The GAL16V8D-15QJN is available in a 20-pin plastic J-leaded chip carrier package, which provides excellent thermal dissipation and mechanical strength.

Essence: This PLD is based on the Generic Array Logic (GAL) architecture, which combines the advantages of both PAL (Programmable Array Logic) and PLA (Programmable Logic Array) technologies. It allows users to implement complex logic functions using a single device.

Packaging/Quantity: The GAL16V8D-15QJN is typically sold in reels or tubes, with a quantity of 25 units per reel/tube.

Specifications

• Operating Voltage Range: 4.5V to 5.5V
• Maximum Operating Frequency: 15 MHz
• Number of Inputs: 16
• Number of Outputs: 8
• Programmable Macrocell: Yes
• Maximum User-Defined Terms: 8
• Maximum Input/Output Pins: 20
• Programming Technology: Electrically Erasable Programmable Logic Device (EEPROM)
• Programming Interface: Parallel

Detailed Pin Configuration

The GAL16V8D-15QJN has a total of 20 pins, each serving a specific function. Here is the detailed pin configuration:

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. CLK - Clock Input
15. PTG - Product Term Ground
16. PT0 - Product Term 0
17. PT1 - Product Term 1
18. PT2 - Product Term 2
19. PT3 - Product Term 3
20. PT4 - Product Term 4

Functional Features

The GAL16V8D-15QJN offers several functional features that make it a versatile PLD for various applications:

1. Programmability: The device can be programmed to implement complex logic functions, allowing for customization and flexibility in system design.
2. High-Speed Operation: With a maximum operating frequency of 15 MHz, the GAL16V8D-15QJN can handle fast digital logic operations.
3. Low Power Consumption: The PLD is designed to minimize power consumption, making it suitable for battery-powered devices or energy-efficient systems.
4. Reliable Performance: The GAL16V8D-15QJN provides reliable performance with its robust design and high-quality manufacturing.

Advantages and Disadvantages

Advantages: - Versatile programmability allows for customization. - High-speed operation enables efficient digital logic processing. - Low power consumption makes it suitable for energy-efficient systems. - Reliable performance ensures stable operation in various applications.

Disadvantages: - Limited number of user-defined terms (8) may restrict complex logic implementations. - Programming interface requires parallel programming, which may be less convenient compared to newer serial programming methods.

Working Principles

The GAL16V8D-15QJN operates based on the principle of programmable logic. It consists of an array of programmable AND gates, followed by a fixed OR gate. The device is programmed using EEPROM technology, which allows users to define the desired logic functions by setting the appropriate connections between inputs and outputs.

During operation, the GAL16V8D-15QJN receives input signals, applies the programmed logic functions, and generates the corresponding output signals. The device can be reprogrammed multiple times, providing flexibility for system modifications or updates.

Detailed Application Field Plans

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

1. Digital Systems Design: The PLD can be used to implement complex digital logic functions in microcontrollers, FPGAs, or other digital systems.
2. Communication Systems: It can be