11.5 Finite State Machines
Up to now, every circuit that was presented was a combinatorial circuit. That means that its output is dependent only...
Tag: Flip Flops
11.4 Counter Modulus
Incomplete Back to Main Index of...
11.3 Synchronous Counters
What is a Synchronous Counter? A synchronous counter, in contrast to an asynchronous counter, is one whose output bits...
11.2 Asynchronous Counters
In the previous section, we saw a circuit using one J-K flip-flop that counted backward in a two-bit binary sequence,...
11.1 Binary Count Sequence
If we examine a four-bit binary count sequence from 0000 to 1111, a definite pattern will be evident in the...
10.8 Monostable Multivibrators
We’ve already seen one example of a monostable multivibrator in use: the pulse detector used within the circuitry of...
10.7 Asynchronous Flip-Flop Inputs
The normal data inputs to a flip flop (D, S and R, or J and K) are referred to as synchronous inputs because they have...
10.6 The J-K Flip-Flop
Another variation on a theme of bistable multivibrators is the J-K flip-flop. Essentially, this is a modified version...
10.5 Edge-triggered Latches: Flip-Flops
So far, we’ve studied both S-R and D latch circuits with enable inputs. The latch responds to the data inputs (S-R or...
10.4 The D Latch
Since the enable input on a gated S-R latch provides a way to latch the Q and not-Q outputs without regard to the...
10.3 The Gated S-R Latch
It is sometimes useful in logic circuits to have a multivibrator which changes state only when certain conditions are...
10.2 The S-R Latch
A bistable multivibrator has two stable states, as indicated by the prefix bi in its name. Typically, one state is...
10.1 Digital Logic With Feedback
With simple gate and combinational logic circuits, there is a definite output state for any given input state. Take the...
