Digital Electronics: Principles, Devices and Applications

xiiContents8 Multiplexers and Demultiplexers 2698.1 Multiplexer 2698.1.1 Inside the Multiplexer 2718.1.2 Implementing Boolean Functions withMultiplexers 2738.1.3 Multiplexers for Parallel-to-Serial Data Conversion 2778.1.4 Cascading Multiplexer Circuits 2808.2 Encoders 2808.2.1 Priority Encoder 2818.3 Demultiplexers and Decoders 2858.3.1 Implementing Boolean Functions with Decoders 2868.3.2 Cascading Decoder Circuits 2888.4 Application-Relevant Information 293Review Questions 294Problems 295Further Reading 2989 Programmable Logic Devices 2999.1 Fixed Logic Versus Programmable Logic 2999.1.1 Advantages and Disadvantages 3019.2 Programmable Logic Devices – An Overview 3029.2.1 Programmable ROMs 3029.2.2 Programmable Logic Array 3029.2.3 Programmable Array Logic 3049.2.4 Generic Array Logic 3059.2.5 Complex Programmable Logic Device 3069.2.6 Field-Programmable Gate Array 3079.3 Programmable ROMs 3089.4 Programmable Logic Array 3129.5 Programmable Array Logic 3179.5.1 PAL Architecture 3199.5.2 PAL Numbering System 3209.6 Generic Array Logic 3259.7 Complex Programmable Logic Devices 3289.7.1 Internal Architecture 3289.7.2 Applications 3309.8 Field-Programmable Gate Arrays 3319.8.1 Internal Architecture 3319.8.2 Applications 3339.9 Programmable Interconnect Technologies 3339.9.1 Fuse 3349.9.2 Floating-Gate Transistor Switch 3349.9.3 Static RAM-Controlled Programmable Switches 3359.9.4 Antifuse 3359.10 Design and Development of Programmable Logic Hardware 3379.11 Programming Languages 3389.11.1 ABEL-Hardware Description Language 3399.11.2 VHDL-VHSIC Hardware Description Language 339