Published:2009-7-7 22:06:00 Author:May | From:SeekIC
Two 4018B synchronous counters are connected in modulo-6 walkingring sequences for driving LEDs to produce familiar die patterns. Pressing roll button starts gated astable that cycles first die hundreds of times and second die dozens of times, for randomizing of result. When roll button is released, final state of each die is held.-D. Lancaster, CMOS Cookbook, Howard W. Sams, Indianapolis, IN, 1977, p 324-325.
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