Subject and UNIT: Digital Logic Circuits: Unit IV: (c) Introduction to Programmable Logic Devices
Comparison between CPLDs and FPGAs
Architecture block diagram, Working principle, Example Problems
Subject and UNIT: Digital Logic Circuits: Unit IV: (c) Introduction to Programmable Logic Devices
• Field Programmable Gate Arrays (FPGA) provide the next generation in the programmable logic devices. The word field in the name refers to the ability of the gate arrays to be programmed for a specific function by the user instead of by the manufacturer of the device.
Block Diagram, Architecture
Subject and UNIT: Digital Logic Circuits: Unit IV: (c) Introduction to Programmable Logic Devices
Simple PLDs (SPLDs) include PLAs, PALs and other similar types of devices.
Subject and UNIT: Digital Logic Circuits: Unit IV: (c) Introduction to Programmable Logic Devices
Comparison between PROM, PLA and PAL
Concept, Architecture, Example Problems
Subject and UNIT: Digital Logic Circuits: Unit IV: (c) Introduction to Programmable Logic Devices
• The commercial PAL devices has more gates than the one shown in Fig. 9.4.1. A typical PAL integrated circuit may have eight inputs, eight outputs, and eight sections, each consisting of an eight wide AND-OR array.
Concept, Architecture, Block diagram, Working principle, Applications, Example Problems
Subject and UNIT: Digital Logic Circuits: Unit IV: (c) Introduction to Programmable Logic Devices
• The combinational circuit do not use all the minterms every time. Occasionally, they have don't care conditions. Don't care condition when implemented with a PROM becomes an address input that will never occur.
Construction, Principle of Operation
Subject and UNIT: Digital Logic Circuits: Unit IV: (c) Introduction to Programmable Logic Devices
It consists of n-input lines and m-output lines. Each bit combination of the input variables is called an address.
Programmable Logic Devices
Subject and UNIT: Digital Logic Circuits: Unit IV: (c) Introduction to Programmable Logic Devices
• So far we have discussed various digital ICs for performing basic digital operations and other functions, such as adders, comparators, arithmetic logic unit, multiplexers, demultiplexers, code converters, shift registers, counters etc.
Digital Logic Circuits
Subject and UNIT: Digital Logic Circuits: Unit IV: (c) Introduction to Programmable Logic Devices
Digital Logic Circuits: Unit IV: (c) Introduction to Programmable Logic Devices : Syllabus, Contents
Hazards and Errors in Digital Circuits | Digital Logic Circuits
Subject and UNIT: Digital Logic Circuits: Unit IV: (b) Hazards and Errors in Digital Circuits
Digital Logic Circuits: Unit IV: (b) Hazards and Errors in Digital Circuits : University Questions with Answers (Long Answered Questions)
Hazards and Errors in Digital Circuits | Digital Logic Circuits
Subject and UNIT: Digital Logic Circuits: Unit IV: (b) Hazards and Errors in Digital Circuits
Digital Logic Circuits: Unit IV: (b) Hazards and Errors in Digital Circuits : Two Marks Questions with Answers
Subject and UNIT: Digital Logic Circuits: Unit IV: (b) Hazards and Errors in Digital Circuits
• The unwanted switching transients (glitches) that may appear at the output of a circuit are called Hazards.