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PAL16L6NC from NSC,National Semiconductor

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PAL16L6NC

Manufacturer: NSC, NS

Progammable Array Logic Series 24 (PAL Series 24)

Partnumber Manufacturer Quantity Availability
PAL16L6NC NSC, NS 33 In Stock

Description and Introduction

Progammable Array Logic Series 24 (PAL Series 24) **Introduction to the PAL16L6NC from NSC**  

The **PAL16L6NC** is a programmable array logic (PAL) device manufactured by **National Semiconductor Corporation (NSC)**. Designed for high-speed logic applications, this integrated circuit (IC) offers flexible digital logic implementation with a fixed OR array and programmable AND gates.  

As part of the **PAL16L6** series, the **PAL16L6NC** features **16 inputs and 6 active-low outputs**, making it suitable for combinatorial logic designs. Its architecture allows users to define custom logic functions by programming the AND array while retaining the fixed OR structure for efficient output generation.  

Key characteristics include **TTL compatibility**, **low power consumption**, and **high noise immunity**, ensuring reliable performance in industrial and embedded systems. The device operates at standard voltage levels and is housed in a **DIP (Dual In-line Package)**, facilitating easy integration into prototyping and production environments.  

The **PAL16L6NC** is commonly used in applications such as **address decoding**, **state machine control**, and **data routing**, where fast, deterministic logic is required. While newer CPLDs and FPGAs have largely replaced PALs in modern designs, this component remains relevant for legacy systems and educational purposes, demonstrating foundational programmable logic principles.  

Engineers appreciate its straightforward programming and dependable operation, making it a practical choice for specific logic design needs.

Application Scenarios & Design Considerations

Progammable Array Logic Series 24 (PAL Series 24)

Alternative Part Number

  • TIBPAL16L8-25CN --: Pin-compatible PAL16L8 device in the same 20-pin DIP family with similar low-power bipolar PAL technology; widely available and can replace the PAL16L6NC in most legacy logic designs with minor fuse-map adaptation.
  • GAL16V8D-25LP --: Generic array logic device that is a functional superset of 16L6 PALs, electrically erasable and reprogrammable, commonly used as a drop-in replacement for obsolete 16L6/16L8 PALs in DIP-20 packages.
  • ATF16V8B-25PC --: Reprogrammable PLD with 16V8 architecture that can emulate PAL16L6 logic equations, offering a modern, still-produced alternative for legacy NSC PAL designs.
  • TIBPAL16L8-25CN --: Pin-compatible PAL16L8 device in the same 20-pin DIP package with similar low-power PAL architecture; widely available and can replace the PAL16L6NC in most legacy logic designs with minor fuse-map adaptation.
  • ATF16V8B-15PC --: Generic 16V8 PAL/GAL replacement that is pin-compatible with 16L6/16L8 sockets, offers low-power CMOS operation, and can be programmed to emulate the original PAL16L6NC logic.
  • GAL16V8D-25LP --: Electrically erasable GAL16V8 device in a 20-pin DIP, pin-compatible with the PAL16L6NC socket and reprogrammable, making it a flexible drop-in replacement for legacy PAL designs.

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