Digital Electronics: Principles, Devices and Applications

726 IndexT-flip flop 390–1, 392, 393J–K flip flop as a toggle flip flop 391, 393Temporary registers 529, 530Term 190Ternary Gray code 25Test and measuring equipment 665–703arbitrary waveform generator 690, 691computer-instrument interface standards 696–7digital multimeter 665–7, 668frequency counter 678–84frequency synthesizers 684–9logic analyser 692–6logic probe 691–2oscilloscope 668–78oscilloscope probes 677–8synthesized function generators 684, 689–90synthesized signal generator 684, 690virtual instrumentation 697–703Theorems of Boolean algebra 192–202Throughput-frequency counter 682, 683Time interval average 679Time interval measurement 679Time period 679Timer input block 570, 571Timer output block 570, 571Toggle flip flop, see T-flip flopTotalize 679Totem pole output stage 126–7, 131–2Tracking type A/D converter 500, 505Transceiver 98–100Transistor logic, see TTLTransposition theorem 200–1TRICORE family of microcontrollers 592Triple slope A/D converter 508–9Tristate gate-standard TTL 132–3Tristate logic gates 87–8, 89Troubleshooting arithmetic circuits 663Troubleshooting guidelines 653–65faults external to digital integrated circuits 655–6faults internal to digital integrated circuits 654–5troubleshooting arithmetic circuits 663troubleshooting memory devices 664–5troubleshooting RAM devices 664troubleshooting ROM devices 664–5troubleshooting sequential logic circuits 659Troubleshooting memory devices 664–5troubleshooting RAM devices 664troubleshooting ROM devices 664–5Troubleshooting RAM devices 664Troubleshooting ROM devices 664–5Troubleshooting sequential logic circuits 659Truth table 70–1TTL 115, 116, 124–43advanced low power Schottky TTL 116, 124,137–9advanced Schottky TTL 116, 124, 137,139–40current transients 142Fairchild Advanced Schottky TTL 116, 124,140–1floating and unused inputs 141–2guidelines to using TTL devices 176–8high power TTL 116, 124, 134–5low power Schottky TTL 116, 124, 136–7low power TTL 116, 124, 133–4power supply decoupling 142–3Schottky TTL 116, 124, 135–6standard TTL 116, 124, 125–33subfamilies 116, 124–41TTL subfamilies 116, 124–41advanced low power Schottky TTL 116, 124,137–9advanced Schottky TTL 116, 124, 137, 139–40fairchild advanced Schottky TTL 116, 124, 140–1high power TTL 116, 124, 134–5low power Schottky TTL 116, 124, 136–7Schottky TTL 116, 124, 135–6standard TTL 116, 124, 125–33TTL-to-CMOS interface 180, 182TTL-to-ECL interface 180, 183Two-key lock-out 595Types of A/D converter 500–11Types of D/A converter 479–80Types of ROM 624–9, 630ULSI 183, 184Ultra large scale integration, see ULSIUnconditional jump instruction 533–4Unicode 28, 37–8Unicode consortium 28, 37Unipolar mode operation-A/D converter 499Universal counter 679frequency ratio A/B 679functional modes 679period 679phase A relative to phase B 679time interval average 679time interval measurement 679totalize 679Universal gates 85Universal serial bus port, see USB portUniversal shift register 455–8Unpacked BCD numbers 21Unweighted binary code 23UP counter 423–4