Digital Electronics: Principles, Devices and Applications

Index 723Power supply decoupling 142–3PowerPC 620 528PowerPC RISC microprocessor 557Practical D/A converter 476Precision 13Precomposed characters 38PRESET input 398Presettable counters 426–8Presettable counters-variable modulus 428, 429Primary cache 622Primary memory 525, 606, 610, 611–35cache memory 606, 622, 623dynamic RAM 612, 619–22erasable ROM 612, 624, 628expanding memory capability 632–5flash memory 628–9, 630mask-programmed ROM 624–6, 627programmable ROM 612, 624, 626–7, 628RAM applications 622, 623random access memory 606, 610, 611–22read only memory 606, 610, 611, 612, 622–31ROM applications 629–31ROM architecture 623–4static RAM 612–619types of ROM 624–9, 630Prime implicant table 211Prime implicants 208Printer 644Priority encoder 281–3Probe compensation 677–8Probe loading-logic analyser 695–6Processor architecture 574, 577–9Product-of-sums Boolean expression 87, 204, 205–6Program address register 569Program control instructions, see Control TransferinstructionsProgram counter 529, 569Programmable array logic, see PALProgrammable communication interface 560, 562Programmable CRT controller 560, 562–3Programmable Electrically Erasable Logic, see PEELProgrammable integrator 491–2Programmable interconnect technologies 333–7antifuse 300, 308, 334, 335–6, 337floating-gate transistor switch 334–5fuse 300, 308, 334static RAM-controlled programmable switches334, 335, 336Programmable interconnects 307Programmable interrupt controller 560, 561Programmable keyboard/ display interface 560, 562Programmable logic 299–302Programmable logic array, see PLAProgrammable logic devices, see PLDProgrammable logic devices-advantages 301–2Programmable logic devices-disadvantages301–2Programmable logic hardware-design 337–8Programmable peripheral interface 560, 561Programmable Read Only Memory, see PROMProgrammable ROM, see PROMProgrammable timer/counter 560, 561Programming languages 338–40ABEL-hardware description language 338, 339Java HDL 339, 340Verilog 339–40VHDL-VHSIC hardware description language339PROM 302, 308–11, 612, 624, 626–7, 628Propagation delay-flip flop 399, 401Propagation delay-ripple counters 412–413PS/2 connector 640Pull-up resistor 85, 86, 87PUSH instruction 530Quad-precision format 15Quad slope A/D converter 509Quantization error-A/D converter 495, 496–7Quasi-stable state 360, 361, 362Quaternary Gray code 25Quine–McCluskey tabular method 204, 208–14for multioutput functions 212–214R-S flip flop 373–82clocked R-S flip flop 377–81edge triggered flip flops 377, 381–2, 383, 384level triggered flip flops 377, 381R-S flip flop with active HIGH inputs 375–7,378R-S flip flop with active LOW inputs 374–5, 377,378R-S flip flop with active HIGH inputs 375–7, 378R-S flip flop with active LOW inputs 374–5, 377,378R-S latch 374Race problem 384Radix 2Radix-2 3RAM 569, 606, 610, 611–22applications 622, 623asynchronous SRAM 612, 613–616, 617cache memory 606, 622, 623DRAM architecture 620dynamic RAM 612, 619–22static RAM 612–619