Basic Digital Electronics

Introduction: sentence analysis and truth tables, number systems, gates and memories, integrated circuits. Part 1 Basic gates: logic levels; gating functions; basic gates and symbols; Boolean algebra and truth tables; universal logic elements; gate minimization; NAND and NOR implementation; limitation of the minimization process. Part 2 Gating circuits: decoders; decoders as logic elements; multiplexers; multiplexers as logic elements; parity; memories as logic elements; programmable logic; binary addition; full-adder circuits; look-ahead carry circuits; decimal addition; binary subtraction; multiplication; division; chip list. Part 3 Latches and flip-flops: the set-reset flip-flop; the set-reset flip-flop as a switch de-bouncer; the data latch; the data flip-flop; synchronization of external signals; the JK flip-flop; the T flip-flop. Part 4 Registers and counters: basic register; shift register; ring counters; asynchronous counters; modulo-n asynchronous counters; synchronous counters; sunchronous system design; modulo-5 counter using JK flip-flops; modulo-5 counter using T flip-flops; modulo-3 up/down counter using JK flip-flops. Part 5 Memories: memory types and uses; memory architecture; memory arrays and buses; memory read and write cycles. Part 6 The analogue connection: digital-to-analogue coversion; the R-2R ladder; practical DACs; a microprocessor compatible DAC; a multiplying D to A converter DAC; uses for DACs; accuracy and resolution of DACs; analogue-to-digital conversion; integrator ADCs; single-slope conversion; dual-slope ADC; other ADCs using integrators; analogue-to-digital coversion using DACs; the tracking DAC; the successive-approximation ADC; flash ADCs. Appendices: Boolean algebra; logic families; designing and testing.