About Simple Programmable Logic Devices (SPLD)
Simple programmable logic device (SPLD) chips are the simplest, smallest and least-expensive type of programmable logic device (PLD). SPLD chips can be used in boards to replace 7400-series transistor-transistor logic (TTL) components. They are also used in a variety of commercial, industrial, and communication applications. SPLD chips typically consist of 4 to 22 fully connected macrocells that use some form of combinatorial logic such as AND and OR gates) and a flip-flop. In other words, a small Boolean logic equation can be built within each macrocell. This equation combines the state of some number of binary inputs into a binary output and, if necessary, stores that output in the flip-flop until the next clock edge. Although the particulars of the available logic gates and flip-flops are specific to each manufacturer and product family, the general idea remains the same.
Most SPLD chips use fuses or non-volatile memory cells such as erasable programmable read-only memory (EPROM), electrically erasable read-only memory, or Flash memory. Simple programmable logic devices (SPLDs) are known by a variety of names, programmable array logic (PAL), generic array logic (GAL), programmable logic arrays (PLA), field-programmable logic arrays (FPLA), and programmable devices (PLD).
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Programmable Logic Design Quick Start Handbook { } lowpwr ={on|off} must choose one or more iv www.xilinx.com Programmable Logic Design June 12, 2006 R Navigating This Book Convention Meaning or See Xilinx, Inc. Information |
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Atmel Products - Programmable Logic - SPLD/CPLD Atmel's EPLD product line comprises of two major categories: Simple and the higher density Complex Programmable Logic Devices (SPLDs and CPLDs). See Atmel Corporation Profile & Catalog |
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Atmel Products - Product Card Programmable Logic FPGA Configuration Memory SPLD/CPLD Field Programmable Gate Arrays See Atmel Corporation Profile & Catalog |
