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PAL20R8AJC from NS,National Semiconductor

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PAL20R8AJC

Manufacturer: NS

Progammable Array Logic Series 24 (PAL Series 24)

Partnumber Manufacturer Quantity Availability
PAL20R8AJC NS 5120 In Stock

Description and Introduction

Progammable Array Logic Series 24 (PAL Series 24) The **PAL20R8AJC** from National Semiconductor (NS) is a programmable array logic (PAL) device designed for high-speed digital logic applications. As part of the PAL20R8 series, this component features a fixed OR-array and programmable AND-array architecture, offering flexibility in implementing custom logic functions.  

With **20 inputs and 8 outputs**, the PAL20R8AJC is well-suited for combinatorial and sequential logic designs, including state machines, address decoding, and control circuitry. Its **JEDEC-compatible fuse-link technology** allows users to program the device once, ensuring reliable performance in embedded systems.  

The **AJC suffix** indicates a ceramic leadless chip carrier (LCC) package, providing durability and efficient thermal dissipation for industrial and military-grade applications. Operating at **high speeds with low propagation delays**, this PAL device is ideal for time-critical systems.  

Key features include **electrically erasable (EE) programmability**, though earlier versions may require UV erasure. The PAL20R8AJC remains a legacy component, valued for its deterministic timing and straightforward integration into older or specialized digital designs.  

While newer CPLDs and FPGAs have largely replaced PALs in modern electronics, the PAL20R8AJC continues to serve in maintenance, retro-computing, and niche applications where its simplicity and reliability are advantageous.

Application Scenarios & Design Considerations

Progammable Array Logic Series 24 (PAL Series 24)

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