Professional IC Distribution & Technical Solutions

The GAL20V8A-25LP is a programmable logic device (PLD) manufactured by Lattice Semiconductor.

Specifications:

• Device Type: GAL (Generic Array Logic)
• Technology: CMOS
• Speed Grade: -25 (25ns maximum propagation delay)
• Package: LP (Plastic Leaded Chip Carrier, PLCC)
• Number of Macrocells: 8
• Number of Inputs: 20
• Number of Outputs: 8 (I/O pins)
• Operating Voltage: 5V (±10%)
• Maximum Frequency: ~40 MHz (estimated based on speed grade)
• Programmable AND Array: 64 product terms
• Programmable OR Array: Fixed (8 OR gates, one per macrocell)
• Power Consumption: Low power CMOS design
• Operating Temperature Range: Commercial (0°C to +70°C)

Descriptions:

• The GAL20V8A is a reprogrammable logic device that replaces older PAL (Programmable Array Logic) devices.
• It features a flexible architecture with programmable AND arrays and fixed OR arrays.
• The -25LP variant is optimized for 25ns speed and comes in a PLCC package.
• It supports electrically erasable (EE) CMOS technology, allowing reprogramming.

Features:

• Reprogrammable: Can be erased and reprogrammed multiple times.
• High-Speed Operation: 25ns propagation delay ensures fast logic operations.
• CMOS Low Power: Efficient power consumption compared to bipolar PLDs.
• Flexible I/O Configuration: Each output can be configured as registered or combinational.
• Security Fuse: Prevents unauthorized copying of the programmed logic.
• Wide Voltage Tolerance: Operates reliably within 5V ±10%.

This device is commonly used in digital logic applications such as glue logic, state machines, and interface control.

Would you like additional details on programming or application notes?