Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package / Case | Box |
| Series | GAL®20V8 |
| Part Status | Obsolete |
| Programmable Type | EE PLD |
| Delay Timetpd(1)Max | 15 ns |
| Voltage Supply - Internal | 4.75V ~ 5.25V |
| Number of Macrocells | 8 |
| Operating Temperature | 0°C ~ 75°C (TA) |
| Mounting Type | Through Hole |
Tổng quan
Description
The GAL20V8B-15LP is a type of programmable logic device (PLD) manufactured by Lattice Semiconductor. It belongs to the GAL (Generic Array Logic) family, which is known for its versatility in digital circuit design. The "20V8" denotes a configuration of 20 pins, with 8 of these being programmable outputs. The "15" indicates a maximum propagation delay of 15 nanoseconds, which refers to the speed of the device. The "LP" suffix signifies that this is a low-power version, which is beneficial for battery-operated or energy-efficient applications.
The GAL20V8B is designed to replace multiple standard logic gates and can be reprogrammed, offering flexibility in design changes without altering the hardware. It supports a range of logic functions, including combinatorial and registered logic, making it useful in various applications such as data processing, control systems, and telecommunications.
This PLD is commonly used in prototyping and small-scale production due to its adaptability and ease of use. Additionally, it maintains compatibility with existing designs, making it a reliable choice for updating legacy systems without extensive redesign.
The GAL20V8B is designed to replace multiple standard logic gates and can be reprogrammed, offering flexibility in design changes without altering the hardware. It supports a range of logic functions, including combinatorial and registered logic, making it useful in various applications such as data processing, control systems, and telecommunications.
This PLD is commonly used in prototyping and small-scale production due to its adaptability and ease of use. Additionally, it maintains compatibility with existing designs, making it a reliable choice for updating legacy systems without extensive redesign.
Equivalent
The GAL20V8B-15LP is a programmable logic device (PLD) made by Lattice Semiconductor. Equivalent products might include similar PLDs from other manufacturers, such as the Atmel ATF20V8B, Microchip ATF20V8B, or the AMD PALCE20V8. These equivalents offer similar functionality and pin configurations, but always check the datasheets for specific electrical characteristics and programming requirements to ensure compatibility for your application.
Features
The GAL20V8B-15LP is a high-performance, CMOS-based programmable logic device (PLD) designed for a variety of applications. Key features include:
1. High Speed: Offers a maximum propagation delay of 15 ns, making it suitable for high-speed logic operations.
2. Low Power Consumption: Operates with low power, supporting energy-efficient designs.
3. Density: Provides 20 pins with 8 macrocells, allowing for versatile logic configurations.
4. Reprogrammable: Supports reprogramming, enabling design updates and modifications without replacing hardware.
5. Security: Features a security fuse to protect proprietary designs.
6. Compatibility: Compatible with a variety of logic device families, allowing for easy integration into existing systems.
7. Operating Voltage: Operates typically at a 5V power supply.
8. Package: Available in a 20-pin plastic leaded chip carrier (PLCC) package, which is compact and suitable for space-constrained applications.
These features make the GAL20V8B-15LP a versatile choice for designers requiring flexible and efficient programmable logic solutions.
1. High Speed: Offers a maximum propagation delay of 15 ns, making it suitable for high-speed logic operations.
2. Low Power Consumption: Operates with low power, supporting energy-efficient designs.
3. Density: Provides 20 pins with 8 macrocells, allowing for versatile logic configurations.
4. Reprogrammable: Supports reprogramming, enabling design updates and modifications without replacing hardware.
5. Security: Features a security fuse to protect proprietary designs.
6. Compatibility: Compatible with a variety of logic device families, allowing for easy integration into existing systems.
7. Operating Voltage: Operates typically at a 5V power supply.
8. Package: Available in a 20-pin plastic leaded chip carrier (PLCC) package, which is compact and suitable for space-constrained applications.
These features make the GAL20V8B-15LP a versatile choice for designers requiring flexible and efficient programmable logic solutions.
Pinout
The GAL20V8B-15LP is a type of Generic Array Logic (GAL) device. It features 24 pins in a DIP (Dual In-line Package) configuration. The key functions of the GAL20V8B include:
1. Programmable Logic Device: It is used to implement custom logic functions. It can be programmed to perform complex combinational and sequential logic designs.
2. Universal Architecture: It supports various configurations, like combinatorial, registered, and complex logic functions, making it highly versatile for different applications.
3. High-Speed Operation: The "-15" in its designation indicates a speed of 15 nanoseconds, making it suitable for high-speed applications.
4. Input/Output Flexibility: The device allows flexible I/O assignments, enabling designers to tailor the pin configurations to specific design requirements.
Overall, the GAL20V8B-15LP is valued for its flexibility, speed, and capability to replace multiple standard logic ICs, streamlining the design process in digital circuits.
1. Programmable Logic Device: It is used to implement custom logic functions. It can be programmed to perform complex combinational and sequential logic designs.
2. Universal Architecture: It supports various configurations, like combinatorial, registered, and complex logic functions, making it highly versatile for different applications.
3. High-Speed Operation: The "-15" in its designation indicates a speed of 15 nanoseconds, making it suitable for high-speed applications.
4. Input/Output Flexibility: The device allows flexible I/O assignments, enabling designers to tailor the pin configurations to specific design requirements.
Overall, the GAL20V8B-15LP is valued for its flexibility, speed, and capability to replace multiple standard logic ICs, streamlining the design process in digital circuits.
Manufacturer
The GAL20V8B-15LP is manufactured by Lattice Semiconductor Corporation. Lattice Semiconductor is a company known for designing and producing low-power programmable logic devices. These devices often include FPGAs (Field Programmable Gate Arrays), CPLDs (Complex Programmable Logic Devices), and other programmable logic products. Established in 1983 and headquartered in Hillsboro, Oregon, Lattice serves a wide range of applications across consumer electronics, industrial, communications, and computing markets. The company focuses on providing solutions that enable intelligence, connectivity, and control for a variety of devices and systems.
Application
The GAL20V8B-15LP is a versatile programmable logic device used in various applications. Due to its reprogrammable nature and flexibility, it is commonly used in digital logic design, custom logic functions, address decoding, and state machine implementations. It's often utilized in embedded systems for interfacing between microcontrollers and other digital components. Additionally, it can be used for creating complex combinational and sequential logic circuits in industrial automation, telecommunications, and consumer electronics. Its low power consumption and high-speed operation make it suitable for portable and battery-operated devices.
Package
The GAL20V8B-15LP is a Programmable Logic Device (PLD) in a 20-pin Dual In-line Package (DIP). It is used for implementing digital logic circuits and offers high-speed and low-power consumption capabilities.
