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Asynchronous flip is the opposite of vertical synchronization(known as VSync). So when asynchronous flip is on VSync is off. http://www.intel.com/support/graphics/sb/cs-004692.htm http://www.tweakguides.com/Graphics_9.html http://en.wikipedia.org/wiki/Vertical_sync
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How many D flip-flop is needed to build a Mod 16 asynchronous counter?
4
How many flip-flop are needed in an up-asynchronous counter which can count up to 64?
6
How many flip-flops are needed in an up-asynchronous counter which can count up to 64?
6
How do you convert SR flip flop into edge triggered flip flop with preset and clear input?
An SR flip-flop can be converted into an edge triggered flip-flop with preset and clear inputs by adding the clock and the asynchronous inputs.
Difference between synchronous and asynchronous flip flops?
synchronous means it is based on a clock...it performs operations based on every clock tick....asynchronous operations execute irregardless of the clock signal
What Are the advantages of implementing an asynchronous counter with the 74LS93 intergrated circuit versus using discrete flip-flop and gates?
its fantastic,pretty and everything else!! hoope it helps!
How do you design 4 bit asynchronous UP counter using negative edge triggered T flip flops NAND gates and multiplexers?
Carefuly ! Very Carefully.
What are differences between asynchronous counter and synchronous counter?
Synchronous CountersSynchronous counters typically consist of a memory element, which is implemented using flip-flops, and a combinational element, which is traditionally implemented using logic gates. Logic gates are logic circuits with one or more input terminals and one output terminal, in which the output is switched between two voltage levels determined by a combination of input signals. The use of logic gates for combinational logic typically reduces the cost of components for counter circuits to an absolute minimum, so it remains a popular approach.Clock PulseSynchronous counters have an internal clock, whereas asynchronous counters do not. As a result, all the flip-flops in a synchronous counter are driven simultaneously by a single, common clock pulse. In an asynchronous counter, the first flip-flop is driven by a pulse from an external clock and each successive flip-flop is driven by the output of the preceding flip-flop in the sequence. This is the essential difference between synchronous and asynchronous counters.Asynchronous CountersAsynchronous counters, also known as ripple counters, are the simpler type, requiring fewer components and less circuitry than synchronous counters. Asynchronous counters are easier to construct than their synchronous counterparts, but the absence of an internal clock also introduces several major disadvantages. The flip-flops in an asynchronous counter change states at different times, so the delays in changing from one state to another -- known as propagation delays -- add up to create an overall delay. The more flip-flops an asynchronous counter contains, the greater the overall delay.ConsiderationsTypically, asynchronous counters are less useful than synchronous counters in complex, high-frequency systems. Some integrated circuits react faster than others, so if an external event occurs close to a transition between states -- when some, but not all, the integrated circuits have changed state -- it may introduce errors into the counter. Such errors are difficult to predict because of the randomly variable time difference between events. Furthermore, propagation delays can make it difficult to detect, or decode, the output state of an asynchronous counter circuit electronically.
What are the disadvantages of asynchronous counter?
Counter circuits made from cascaded J-K flip-flops where each clock input receives its pulses from the output of the previous flip-flop invariably exhibit a ripple effect, where false output counts are generated between some steps of the count sequence. These types of counter circuits are called asynchronous counters, or ripple counters.
What is a asynchronous counters?
draw the circut diagram of the MOD60 asynchronous binary counter
What is a asynchronous decade counters?
draw the circut diagram of the MOD60 asynchronous binary counter
Brief explanation of asynchronous ripple counter?
brief explanation of asynchronous ripple counter
