Example image of eyePlorer eyePlorer map for 'Three-state logic': Electronics High impedance Logic gate Bus (computing) 4000 series 7400 series Flip-flop (electronics) Integrated circuit Register Microprocessor Peripheral Logic level Ternary logic Multiplexer Charlieplexing Pull-up resistor I²C Capacitance Conventional PCI Backplane Printed circuit board Open collector Bus-Holder Chip select Three-state bus MOS Technology 6510 IEEE 1164 List of AMD Am2900 and Am29000 families Logic probe UNI/O List of 7400 series integrated circuits Background Debug Mode interface Serial Peripheral Interface Bus Design For Test Dynamic logic (digital logic) Parallax Propeller MOS Technology 6502 Tri-state Direct memory access Digital electronics