GAL20V8A-15LNC

Programmable Logic Device Pld Overview

The GAL20V8A-15LNC is a high-performance Complex Programmable Logic Device (CPLD) manufactured by National Semiconductor. It features a CMOS technology with a 15 ns propagation delay, designed for complex logic applications requiring fast switching speeds. The device utilizes a 28-pin LDCC (Leadless Ceramic Chip Carrier) package, providing robust connectivity for industrial and commercial environments. As part of the GAL20 family, it offers reprogrammable macrocells and flexible I/O configurations, supporting various logic functions through its structured architecture.

Programmable Logic Device Pld Feature Summary

• CMOS technology with 15 ns typical propagation delay
• 28-pin LDCC plastic or ceramic package options
• Reprogrammable macrocell architecture
• High-density logic implementation capabilities

Programmable Logic Device Pld Applications

• Industrial control systems
• Communication interface logic
• Memory address decoding
• Gate replacement in legacy designs

Programmable Logic Device Pld Procurement Notes

Verify the manufacturer origin as National Semiconductor, noting that Texas Instruments acquired NS's logic business. Confirm the specific suffix 'LNC' denotes the package type and temperature range. Ensure compatibility with existing programming tools for GAL devices. Check for RoHS compliance status depending on production batch. Validate pinout compatibility if replacing older GAL variants.

Programmable Logic Device Pld Selection Notes

Select this component when a 15 ns speed grade is required for GAL20V8 functionality. Compare against GAL20V8-15JC for package differences. Consider power consumption requirements due to CMOS construction. Evaluate board space constraints given the LDCC footprint. Verify voltage supply levels match system design specifications.

Programmable Logic Device Pld Part Context

This part belongs to the GAL20 series of programmable logic devices. It serves as a drop-in replacement for many PALs. The 'A' revision indicates updated electrical characteristics. The '15' specifies the speed class. 'LNC' identifies the leadless ceramic chip carrier package variant.

Programmable Logic Device Pld Replacement Considerations

Direct substitutes include GAL20V8-15JC with package adaptation. Cross-reference with Lattice GAL20V8 equivalents. Verify pin-to-pin compatibility before substitution. Check programming file compatibility with target programmers.