DM74AS74N

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Logic - Flip Flops

A DM74AS74N is an asynchronous, dual D-type flip-flop which utilizes the standard TTL logic family. It contains 2 D flip-flops and is used primarily as a logic storage device. As a logic storage device it can be used to store a binary value, with each of the two outputs representing one bit of information in a binary code.

The DM74AS74N is designed to operate with either dual (logic 0 or logic 1) or single (logic 0 or logic 1) input control. Input 0 is the “set-up” input, while input 1 is the “clear-down” input. The output of the flip-flop is the inverse of the state of the input. That is, if the input is low (logic 0), the output will be high (logic 1). Conversely, if the input is high (logic 1), the output will be low (logic 0).

The flip-flop can be used for the implementation of synchronous counters, binary counters and other logic applications. The device\'s asynchronous operation allows it to be used for the temporary storage of data during data transfer between two or more units, or for the implementation of simple timing circuits.

The DM74AS74N contains two identical flip-flops, each having two-inputs, a clear/enable input and a set/enable input. Upon the occurrence of either an input at SET/EN or an input at CLR/EN, a flip-flop performs its function and stores the input combination. When it is enabled, a flip-flop outputs the state of its D input, which determines the flip-flop\'s output.

The DM74AS74N is used extensively in a variety of applications, ranging from computations, arithmetic operations, I/O, memory, clock and counter design to much more. It is also useful in the implementation of asynchronous pulse generators, error detection devices and shift registers. In addition, this device is commonly used in synchronization applications, such as the storage of data over wide digital systems.

The DM74AS74N is a versatile device which is employed in both synchronous and asynchronous logic functions. This device provides an easy-to-use, reliable means of storing two digital signals, allowing a designer to more cost effectively implement a variety of different functions. As such, the DM74AS74N is an essential component in many digital design applications.

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