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/ MacWorld 1999 February / Macworld (1999-02).dmg / Shareware World / Maths & Science / MacBreadboard / MacBreadboard DEMO 1.1 / MacBreadboard DEMO 1.1.rsrc / TEXT_400_about.txt < prev    next >
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Text File  |  1998-12-03  |  1.0 KB  |  36 lines
  1. MacBreadboard‚Ñ¢ is a TTL Trainer/Simulator
  2. with a unique graphical interface.  It was designed  to 
  3. emulate 'real world' digital trainers.
  4. Although COLOR isn't required, you gotta see it!
  5.  
  6. Features:
  7.                             - Input Devices -
  8.                                         ‚Ä¢    logic switches
  9.                                         ‚Ä¢    data switches
  10.                                             ‚Ä¢  +5 volts and ground
  11.                                             ‚Ä¢    clock circuit (free run, pulse or step)
  12.  
  13.                                 - Output Devices -
  14.                                             ‚Ä¢    LEDs (logic indicators)
  15.                                             ‚Ä¢    7-segment displays
  16.                                             ‚Ä¢    buzzer
  17.                                             ‚Ä¢  logic probe
  18.  
  19.                                 - TTL Library -
  20.                                             ‚Ä¢    7400            Nand
  21.                                             ‚Ä¢    7404            Inverter
  22.                                             ‚Ä¢    7408            And
  23.                                             ‚Ä¢    7432            Or
  24.                                             ‚Ä¢    7474            D flip-flop
  25.                                             ‚Ä¢    7486            ExOr
  26.                                             ‚Ä¢    7476            jk flip-flop
  27.                                             ‚Ä¢    74139        Decoder/Demux
  28.                                             ‚Ä¢    74161        4-bit Counter
  29.                                           ‚Ä¢    74193        up/dn Counter
  30.                                             ‚Ä¢   and others
  31.  
  32. Block diagrams are available by holding down the shift 
  33.         key or the option key when selecting a chip from the
  34.         menu, or by double-clicking on an existing chip.
  35.  
  36.