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PAL20L8-7PC from MMI

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PAL20L8-7PC

Manufacturer: MMI, AMD

24-Pin TTL Programmable Array Logic

Partnumber Manufacturer Quantity Availability
PAL20L8-7PC,PAL20L87PC MMI, AMD 42 In Stock

Description and Introduction

24-Pin TTL Programmable Array Logic The **PAL20L8-7PC** from **MMI (Monolithic Memories Inc.)** is a programmable array logic (PAL) device designed for high-speed digital logic applications. As part of the PAL family, this component offers a flexible and efficient solution for implementing custom combinational and sequential logic circuits.  

Featuring **20 inputs and 8 outputs**, the PAL20L8-7PC is built with a fixed OR array and programmable AND gates, allowing designers to create tailored logic functions. The **"-7" suffix** indicates a maximum propagation delay of **7.5 ns**, making it suitable for high-performance systems requiring fast response times.  

Housed in a **plastic DIP (Dual In-line Package)**, the device is compatible with standard PCB assembly processes. Its programmable nature eliminates the need for discrete logic gates, reducing board space and simplifying circuit design.  

The PAL20L8-7PC is commonly used in applications such as **address decoding, state machine control, and interface logic**. While newer CPLDs and FPGAs have largely replaced PALs in modern designs, this component remains relevant for legacy systems and cost-sensitive projects requiring reliable, low-complexity logic solutions.  

Engineers appreciate its straightforward programming process using industry-standard tools, ensuring seamless integration into existing workflows.

Application Scenarios & Design Considerations

24-Pin TTL Programmable Array Logic

Alternative Part Number

  • TIBPAL20L8-7CNT --: TI's pin-compatible PAL20L8 replacement with 7 ns speed grade, direct functional equivalent in a DIP package.
  • PAL20L8BCNS --: Same 20L8 architecture and 7 ns class bipolar PAL, widely used as a second-source substitute for MMI devices.
  • AMPAL20L8PC --: AMD PAL20L8 series device with matching 20-input 8-output logic and comparable propagation delay, suitable drop-in replacement.
  • TIBPAL20L8-7CNT --: TI's pin-compatible PAL20L8 equivalent with 7 ns propagation delay in a 24-pin DIP, a direct functional replacement for the AMD device.
  • PAL20L8BCNS --: Second-source PAL20L8 with matching 20-input 8-output architecture and similar 7 ns speed grade, suitable as a drop-in substitute.
  • GAL20V8B-7LP --: Generic array logic device that emulates the PAL20L8 function with 7 ns speed and lower power, offering a flexible modern replacement.

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