GAL20V8QS-15LVI

Programmable Logic Device Pld Overview

The GAL20V8QS-15LVI is a Complex Programmable Logic Device (CPLD) manufactured by National Semiconductor, now part of Texas Instruments. It belongs to the GAL20 family and features a high-density architecture with 20 input lines and 8 output lines. The device utilizes CMOS technology for low power consumption and supports fast switching speeds with a propagation delay of 15 ns. It is housed in a 28-pin Plastic Leaded Chip Carrier (PLCC) package, suitable for surface-mount applications requiring robust logic control in compact designs.

Programmable Logic Device Pld Feature Summary

• High-density CPLD architecture with 20 inputs and 8 outputs
• CMOS technology ensuring low power consumption
• Fast switching speed with 15 ns propagation delay
• 28-pin PLCC plastic package for surface-mount integration

Programmable Logic Device Pld Applications

• Digital signal processing systems
• Address decoding and memory interfacing
• Gate replacement in legacy digital circuits
• Custom logic functions in industrial control systems

Programmable Logic Device Pld Procurement Notes

Verify manufacturer origin as National Semiconductor or Texas Instruments due to acquisition history. Confirm package type is PLCC-28 and check for lead-free compliance if required by current regulations. Ensure pin compatibility with existing PCB footprints before procurement.

Programmable Logic Device Pld Selection Notes

Select this component when 20 inputs and 8 outputs are sufficient for the design. Compare against GAL20V8A variants for speed differences. Verify voltage levels match system requirements. Consider package availability and long-term supply stability from authorized distributors.

Programmable Logic Device Pld Part Context

Part of the GAL20 series of programmable logic devices. Related parts include GAL20V8-15LVI and GAL20V8QS-25QVC. These devices share similar architectures but differ in speed grades and package options. The GAL20 series was widely used for replacing fixed-function logic gates.

Programmable Logic Device Pld Replacement Considerations

Direct replacements may include GAL20V8-15LVI or GAL20V8A-15JC. Verify pinout compatibility and electrical characteristics. Cross-reference with Lattice Semiconductor equivalents if sourcing from alternative manufacturers.