GAL16V8D-25QPNI

Product Overview

Category

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

Use

It is commonly used in digital circuit design and implementation.

Characteristics

• Programmable: The GAL16V8D-25QPNI can be programmed to perform specific logic functions.
• Versatile: It can be used in a wide range of applications due to its programmability.
• High-speed operation: The device operates at a speed of 25 nanoseconds (ns).
• Low power consumption: It consumes minimal power during operation.

Package

The GAL16V8D-25QPNI is available in a quad flat package (QFP).

Essence

The essence of GAL16V8D-25QPNI lies in its ability to provide flexible and customizable logic functions for various digital circuit designs.

Packaging/Quantity

The device is typically packaged in reels or tubes, with each containing a specific quantity of GAL16V8D-25QPNI units. The exact quantity may vary depending on the supplier.

Specifications

• Operating Voltage: 5V
• Number of Inputs: 16
• Number of Outputs: 8
• Maximum Frequency: 25 MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The GAL16V8D-25QPNI has a total of 20 pins, which are assigned specific functions as follows:

1. GND: Ground reference
2. I/O0-I/O7: Input/output pins
3. OE: Output enable
4. CE1: Chip enable 1
5. CE2: Chip enable 2
6. CE3: Chip enable 3
7. CE4: Chip enable 4
8. VCC: Power supply

Functional Features

• Programmability: The GAL16V8D-25QPNI can be programmed using a hardware description language (HDL) or a dedicated programming tool.
• Logic Functions: It supports a wide range of logic functions, including AND, OR, NOT, XOR, and more.
• Macrocell Structure: The device consists of multiple macrocells that can be individually programmed to perform specific logic operations.
• Output Enable Control: The output enable pin allows for easy control of the device's output state.

Advantages and Disadvantages

Advantages

• Flexibility: The GAL16V8D-25QPNI offers flexibility in designing digital circuits as it can be reprogrammed as needed.
• Cost-effective: It eliminates the need for custom-designed logic circuits, reducing overall costs.
• Compact Size: The device's small form factor makes it suitable for space-constrained applications.

Disadvantages

• Limited Complexity: The GAL16V8D-25QPNI has a limited number of inputs and outputs, which may restrict its use in complex designs.
• Programming Expertise Required: Proper programming knowledge is necessary to utilize the device effectively.

Working Principles

The GAL16V8D-25QPNI operates based on the principles of programmable logic. It consists of an array of configurable logic blocks interconnected through programmable interconnects. These blocks can be programmed to implement desired logic functions by configuring the internal connections.

During operation, the device receives input signals, processes them according to the programmed logic, and produces the corresponding output signals. The output enable pin allows for enabling or disabling the output as required.

Detailed Application Field Plans

The GAL16V8D-25QPNI finds applications in various fields, including:

1. Embedded Systems: It can be used in microcontroller-based systems to implement custom logic functions.
2. Communication Systems: The device can be utilized in communication protocols and signal processing applications.
3. Industrial Automation: It finds use in control systems, PLCs (Programmable Logic Controllers), and robotics.
4. Automotive Electronics: The GAL16V8D-25QPNI can be employed in automotive control units and driver assistance systems.

Detailed and Complete Alternative Models

1. GAL20V8B-15LPN: Similar to GAL16V8D-25QPNI but with 20 inputs and 8 outputs.
2. GAL22V10D-15LPN: Offers increased complexity with 22 inputs and 10 outputs.
3. GAL16V8A-15LPN: An earlier version of GAL16V8D-25QPNI with similar specifications.

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

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