GAL20V8QS-25LVI

Programmable Logic Device Pld Overview

The GAL20V8QS-25LVI is a Complex Programmable Logic Device (CPLD) manufactured by National Semiconductor, now part of Texas Instruments. It features a PAL-type architecture with 20 input lines and 8 output lines, organized into 8 macrocells. The device operates in a 28-pin LDCC plastic package. Electrical specifications include a maximum propagation delay of 25 ns and a maximum clock frequency of 40 MHz. It supports shared input/clock configurations and register preload functionality within a standard CMOS process.

Programmable Logic Device Pld Feature Summary

• PAL-type architecture with 8 macrocells
• 20 dedicated inputs and 8 registered outputs
• 25 ns maximum propagation delay
• 40 MHz maximum operating frequency
• 28-pin LDCC plastic package

Programmable Logic Device Pld Applications

• Digital logic replacement
• State machine implementation
• Address decoding circuits

Programmable Logic Device Pld Part Context

This component belongs to the GAL20V8 family of EE PLDs. It shares architectural similarities with other devices in the series, such as the GAL20V8-15LVI, but offers specific timing characteristics defined by the -25 speed grade. The QS suffix typically denotes commercial temperature range operation in this product line.

Programmable Logic Device Pld Replacement Considerations

Direct pin-compatible replacements may include other GAL20V8 variants from Texas Instruments or compatible PAL devices from manufacturers like Lattice or Atmel, provided timing requirements are met. Verify voltage levels and package compatibility before substitution.