Pld jed simulation6/11/2023 ![]() ![]() Despite their extreme versatility, CPLDs are a mature technology with chips starting at $1. CPLDs are fast, with reaction times starting at 100MHz. Circuit mistakes can be corrected by uploading a new design, rather than etching and stuffing a new circuit board. Circuit boards are simpler with CPLDs because a single chip with programmable pin placement can replace 100s of individual logic ICs. A custom logic device can eliminate days of reading datasheets, finding the ideal logic IC combination, and then waiting for chips to arrive. A microcontroller connected to a CPLD is like a microcontroller paired with a reprogrammable circuit board and a fully stocked electronics store.Īt first we weren’t sure of the wide appeal and application of CPLDs in hobbyist projects, but we’ve been convinced. Complete circuits can be designed on a PC and then uploaded to a CPLD for instant implementation. Complex programmable logic devices (CPLDs) contain the building blocks for hundreds of 7400-serries logic ICs.
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