GAL20V8QS-20LVI

Programmable Logic Device Pld Overview

The GAL20V8QS-20LVI is a CMOS Electrically Erasable Programmable Logic Device (EEPLD) manufactured by National Semiconductor, now part of Texas Instruments. It utilizes a PAL-type architecture featuring 10 dedicated inputs and 8 I/O lines within a 28-pin LDCC plastic package. The device specifies a maximum propagation delay of 20 ns and supports a maximum clock frequency of 40 MHz. Key functional capabilities include shared input/clock configurations and register preload functionality, designed for high-speed digital logic applications.

Programmable Logic Device Pld Feature Summary

• CMOS technology with low noise characteristics
• PAL-type architecture with 10 dedicated inputs and 8 I/O lines
• 20 ns maximum propagation delay
• Register preload capability

Programmable Logic Device Pld Applications

• High-speed digital logic implementation
• System replacement for complex discrete logic
• Interface bridging in embedded systems

Programmable Logic Device Pld Part Context

This component belongs to the GAL20V8 family of EEPLDs. While originally developed by National Semiconductor, production and documentation are maintained under Texas Instruments following their acquisition. The 'QS' suffix typically denotes specific speed grades or testing variations within the standard GAL20V8 line.

Programmable Logic Device Pld Replacement Considerations

Direct pin-compatible replacements may include GAL20V8A variants from Lattice Semiconductor or other manufacturers offering GAL20V8 derivatives. Verify voltage levels and programming compatibility when substituting.