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SN74ABT18504PMR Application Field and Working Principle

SN74ABT18504PMR belongs to the Logic - Specialty Logic category. It is a 5-volt tolerant quadruple D-type flip-flop with complementary outputs. The flip-flops acquire data on the low-to-high transition of the clock (CLK) input and change their states with each subsequent falling edge. Data is presented to each flip-flop through the D input. Data can be independently preset (set to a high level) or clear (set to a low level) on each flip-flop using the asynchronous set (nSET) and clear (nCLR) inputs. Output enable (nOE) can be used to enable or disable all outputs simultaneously.

Application Field

The SN74ABT18504PMR has many application fields in digital logic circuits, covering many aspects of different industries. Its complementary outputs with 5-volt tolerant inputs make it a great choice for use with TTL logic devices. Its advanced logic functions give its design flexibility to integrate with different digital roles in many different applications, from its use in consumer electronics to industrial automation and robotics.

Some applications include:

• Encoding/decoding
• Pulse width modulation
• Data synchronization
• Data transfer
• Data storage
• Data processing

Working Principle

The SN74ABT18504PMR has a straight-forward working principle. It is a 4-bit latched device that stores data at given clock signals. This can be used in applications that need real-time data storage or when a data input needs to be stored until a later clock pulse. The D input is presented to the flip-flop at rising edge of the clock, if the enabled outputs are ‘at logic level high’ or ‘at logic level low’ and become ‘at logic level low’. When the clock signal then falls and becomes ‘at logic level low’, the D input is latched and the output becomes ‘at logic level high’.

The device can be independently preset or clear by providing logic level ‘low’ and ‘high’ level respectively on the nSET and nCLR inputs. When asynchronous nSET set of low logical level, all outputs change and become ‘at logic level high’ level. All outputs also change to a high level when asynchronous nCLR set to a low logical level. Output enable (nOE) allows the flip-flop outputs to be disabled in applications that may need this control.

Conclusion

The SN74ABT18504PMR, belonging to the Logic - Specialty Logic category, is an efficient data storage and processing device with 5-volt tolerant inputs. It has many application fields in different industry, such as consumer electronics, industrial automation, robotics, and many more. Its working principle is straigh-forward and it provides independent preset or clear feature, as well as output enable control.

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