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Logic Friday
Free software for boolean logic optimization, analysis, and synthesis 
 
Logic Friday is a freeware tool for students, hobbyists, and engineers who work with legacy digital logic circuits based on standard IC packages.
 
With Logic Friday you can:
  • Enter a logic function as a truth table, an equation, or a gate diagram
  • Enter functions with up to 16 inputs and 16 outputs
  • Minimize a function with options of fast or exact minimization
  • Automatically generate a multi-level gate diagram using gates chosen from a library
  • Automatically minimize the number of standard gate packages
  • Trace the logic state of each gate's inputs and outputs for a given input vector
  • Compare logic functions
  • Generate new functions as logical combinations of others
  • View any function as a truth table, equation, or gate diagram
  • Generate efficient, compact C code lookup functions from logic functions
  • Save functions and gate diagram images to files
 
Logic Friday uses espresso for minimization and misII for gate diagram synthesis.*  Both programs are included with the download.
 
*Espresso and misII are copyright © 1988-1993, Regents of the University of California.

 

 

System Requirements

Microsoft Windows 98, 98SE, ME, 2000, XP

Microsoft Internet Explorer version 5 or later

Pentium-class PC, 450 MHz, 128 MB RAM, 10 MB hard disk space