What is IC 74163?
74163 is a high speed synchronous modulo-16 binary type counter. The Ic has two type of count enable inputs and a terminal count output which forms a synchronous multistage counter. It has a single circuit of 4 bit counter and it is a UP counter.
What is synchronous counter in digital electronics?
synchronous counter A counter consisting of an interconnected series of flip-flops in which all the flip-flop outputs change state at the same instant, normally on application of a pulse at the counter input.
What is a 3 bit synchronous counter?
The 3-bit Synchronous binary up counter contains three T flip-flops & one 2-input AND gate. All these flip-flops are negative edge triggered and the outputs of flip-flops change affect synchronously. The output of third T flip-flop toggles for every negative edge of clock signal if both Q0 & Q1 are 1.
Why and gates are used in synchronous counter?
Those AND gates create logic using the input and output from the previous stage flip-flops. We can create the same counting sequence used in the Asynchronous counter by making a situation where each flip-flops change its state depending on whether or not all preceding flip-flops output is HIGH in logic.
How many gates are needed for a 3 bit up counter?
The 3-bit Synchronous binary up counter contains three T flip-flops & one 2-input AND gate.
Why we use JK flip flop in ripple counter?
In the circuit design of the binary ripple counter, two JK flip flops are used. The high voltage signal is passed to the inputs of both flip flops. This high voltage input maintains the flip flops at a state 1. In JK flip flops, the negative triggered clock pulse use.
What is a 4-bit ripple counter?
4-Bit Ripple Counter. This circuit is a 4-bit binary ripple counter. All the JK flip-flops are configured to toggle their state on a downward transition of their clock input, and the output of each flip-flop is fed into the next flip-flop’s clock.
What is 3-bit ripple counter?
The 3-bit ripple counter used in the circuit above has eight different states, each one of which represents a count value. Similarly, a counter having n flip-flops can have a maximum of 2 to the power n states. The number of states that a counter owns is known as its mod (modulo) number.
What is a 4 bit Asynchronous counter?
Asynchronous 4-bit UP counter. A 4 bit asynchronous UP counter with D flip flop is shown in above diagram. It is capable of counting numbers from 0 to 15. The clock inputs of all flip flops are cascaded and the D input (DATA input) of each flip flop is connected to a state output of the flip flop.