The GAL16V8A-25LP is a low-power, high-performance CMOS Programmable Logic Device (PLD) from Lattice Semiconductor. It's designed for a wide range of digital logic applications requiring flexible and reprogrammable logic solutions. This device is electrically erasable and reprogrammable, allowing for easy design changes and field upgrades.
Applications
- Address Decoding: Used in memory systems to decode address lines and select memory locations.
- Glue Logic Replacement: Integrates multiple discrete logic functions into a single chip.
- Peripheral Control: Manages the interface between a microcontroller and peripheral devices.
- State Machine Implementation: Implements sequential logic circuits for control and automation.
- Custom Logic Functions: Implements unique logic functions tailored to specific application requirements.
Features
- Electrically Erasable and Reprogrammable: Allows for in-system programming and easy design modifications.
- Low Power Consumption: Reduces overall system power dissipation.
- High Performance: Offers a propagation delay of 25ns.
- Eight Output Logic Macrocells (OLMCs): Each OLMC can be configured as an input, output, or bidirectional pin.
- 100% Functionally Equivalent to Standard PAL Devices: Provides a drop-in replacement for existing PAL designs.
- Programmable Output Polarity: Allows for active-high or active-low output configurations.
- Preload and Power-Up Reset on all Registers: Ensures predictable system behavior during power-up.
- Available in various packages: DIP, PLCC, and SOIC.
Benefits
- Design Flexibility: The reprogrammability allows for easy modifications and optimization of logic designs.
- Reduced System Cost: Integrates multiple logic components into a single chip, reducing board space and component count.
- Improved Performance: High-speed operation enhances system performance.
- Simplified Design Process: Easy-to-use programming tools and readily available documentation facilitate rapid prototyping and development.
- Enhanced Reliability: Solid-state construction provides greater resistance to vibration and shock compared to discrete components.
Additional Details
The GAL16V8A-25LP operates from a 5V power supply. Its architecture consists of a programmable AND array and a fixed OR array. The output logic macrocells (OLMCs) provide flexible output configurations. This device is commonly used in applications where complex logic functions are needed, such as industrial control, communication systems, and computer peripherals. The 'LP' designation indicates its low-power characteristics, making it suitable for battery-powered and energy-sensitive applications.