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Unformatted text preview: seeing the number of output it needs.The circuit remains asynchronous until the clock becomes active.Synchronous state is every cycle of the clock. Discuss the method used to modify the 3-7 counter. In order to make a circuit which determines and reads 4-7 we must know how to use mod numbers.Then to make the bdf circuit we use three NOT gates attached to each signal going out.And a NAND gate is also connected to these NOT gates which is further connected to one of the CLR.The CLR is preset in order to read 4-7.The circuit determines the state of recycling by seeing the number of outputs it needs.Synchronous state is with every state of cycle.The circuit remains asynchronous until the clock becomes active. Station cleanup. Instructor check off ______________ Page PAGE 1 of NUMPAGES 1...
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- Fall '10
- Logic gate, Flip-flop, 4000 series