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Download Atanua real-time logic simulator – basic boolean logic

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Atanua is a real-time logic simulator, designed to help in learning of basic boolean logic and electronics. It uses OpenGL hardware-accelerated rendering and a custom UI designed for a fast workflow and a very low learning curve, letting the students concentrate on learning the subject instead of spending time learning the tool.

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Features Atanua real-time logic simulator

  • Intuitive, hardware-accelerated interface.
  • Available for Windows, Linux and Mac os X.
  • Real-time logic simulation (at 1000Hz).
  • Most common logic blocks, with both US and Finnish symbols.
  • Simulation of various 74-series chips.
  • Simulation of a 8051 microcontroller variant.
  • Input through keyboard-bound buttons, output through various LEDs and 7-segment displays.
  • Plug-in interface for creation of custom parts.
  • Instant feedback through wire colors, which show signal states and error states.
  • Helpful tooltips.
  • Anti-cheating tool available for teachers for homework validation.

Wire colors show the state of the connection.

  • Gray wire means there’s no signal input.
  • Red means there’s more than one signal input, or something else is wrong.
  • Bright green is signal high.
  • Dark green is signal low.

Base parts list Atanua real-time logic simulator

  • Logic ‘0’ (ground) and ‘1’ (vcc)
  • Logic AND, OR, NAND, NOR, XOR and NOT gates, in both US and Finnish symbols
  • SR-latch (NOR and NAND versions), Synchronized SR-latch, D-latch, T-latch, JK-latch
  • JK-flipflop, D-flipflop, T-flipflop, SR-flipflop
  • 2-bit MUX block, 3-bit DX-block
  • Synchronized clock generators (0.1Hz, 0.2Hz, 0.5Hz, 1Hz, 2Hz, 5Hz, 10Hz, 20Hz, 50Hz, 100Hz, 200Hz, 500Hz)
  • Labels

Chips list:

  • 2051 – 20-pin 8051-variant 8-bit Microcontroller with 2K Bytes Flash and 15 Programmable I/O Lines
  • 2708 – 1024-word by 8-bit erasable programmable read only memories
  • 2716 – 2048-word by 8-bit erasable programmable read only memories
  • 2732 – 4096-word by 8-bit erasable programmable read only memories
  • 7400 – Quad 2-input NAND Gate
  • 7402 – Quad 2-input NOR Gate
  • 7404 – Hex Inverter
  • 7408 – Quad 2-input AND Gate
  • 7410 – Triple 3-input NAND Gate
  • 7420 – Dual 4-input NAND Gate
  • 7432 – Quad 2-input OR Gate
  • 7447 – BCD to 7-segment Decoder/Driver
  • 7473 – Dual J-K Flip-Flop with Clear
  • 7474 – Dual D Positive Edge Triggered Flip-Flop with Preset and Clear
  • 7485 – 4-bit Magnitude Comparator
  • 7486 – Quad 2-input XOR Gate
  • 7490 – Decade Counter (separate Divide-by-2 and Divide-by-5 sections)
  • 74138 – 3 to 8-line Decoder/Demultiplexer
  • 74139 – Dual 2 to 4-line Decoder/Demultiplexer
  • 74151 – 8-Line to 1-Line Data Selector/Multiplexer
  • 74154 – 4-Line to 16-Line Decoder/Demultiplexer
  • 74181 – 4-bit Arithmetic Logic Unit and Function Generator may contain some bugs due to complexity of the chip)
  • 74191 – Synchronous Up/Down Binary Counter
  • 74192 – Synchronous Up/Down Decade Counter (some border cases may act differently from hardware; not well-defined in data sheet)
  • 74193 – Synchronous Up/Down Binary Counter
  • 74195 – 4-bit Parallel-Access Shift Register
  • 74240 – Octal Buffer with Inverted Three-State Outputs
  • 74241 – Octal Buffer with Noninverted Three-State Outputs
  • 74244 – Octal Buffer with Noninverted Three-State Outputs
  • 74245 – Octal Bus Transceiver with Noninverted Three-State Outputs
  • 74163 – Synchronous 4-bit Binary Counter with Synchronous Clear
  • 74164 – 8-bit Parallel-Out Serial Shift Register with Asynchronous Clear
  • 74165 – Parallel-Load 8-Bit Shift Register
  • 74283 – 4-bit Binary Full Adder
  • 74574 – Octal D-Type Edge-Triggered Flip-Flop with Three-State Outputs

I/O parts list:

  • LEDs (red, green, blue, cyan, magenta, yellow, white), normal and inverted
  • 7-segment displays in same colors, normal and inverted
  • 309, numeric display with logic
  • Keyboard keys (0,1,2…9, a,b,c…z)
  • Simple logic probe
  • Simple audio output
  • Unipolar and bipolar stepper motors

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