74ACTQ574SC

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Logic-Flip Flops have been around since the 1940s and have been used to store data in digital circuits ever since. The 74ACTQ574SC is a high-speed CMOS flip-flop device that uses three-state outputs for bus oriented systems. It is a dual D-type flip-flop with a common Clock input, two D-type flip-flop inputs, two inverted outputs (Q and Q*), and two three-state outputs. It can be used to store two-bit binary words, which can be accessed in parallel or serial formats.

The 74ACTQ574SC is designed to operate from a single power supply ranging from 2.0V to 5.5V. It offers low power consumption with dynamic power dissipation of 1 µW/MHz and static power dissipation of 2 µW. The maximum frequency of operation is greater than 150MHz at 3V and can be increased to greater than 200MHz at 5V.

The main application fields of the 74ACTQ574SC include computers, controllers, and other electronic systems. It is equally suitable for logic operations, count/timing operations, device configuration, data storage, and address recognition. The 74ACTQ574SC can be used in support of memory bursts and memory self-test features since it is more resistant to the effects of soft errors than other flip-flop designs.

The working principle of the 74ACTQ574SC involves two major inputs, a Clock and a Data input. A Clock input acts as a signal for the flip-flop to take an input, which is usually a high or low voltage. When the Clock is high, the D-type flip-flop will take the current input on the Data input and store it until the next Clock cycle. The two outputs, Q and Q*, invert each other and will remain in the same state, until the next Clock cycle. The three-state outputs allow the user to configure the outputs into either high, low, or high impedance (Z) states.

The main features of the 74ACTQ574SC include a low input-to-output propagation delay of 7.5 ns typical at 3V, a low static power dissipation, a high noise immunity of 0.5V, and a low quiescent current. Furthermore, it is CMOS-compatible, which means it is a perfect substitute for 74HC/HCT devices. It can also be used in high-current applications and provides the best cost-to-performance ratio.

In conclusion, the 74ACTQ574SC is a dual D-type flip-flop device with three-state outputs and operates on a single power supply from 2.0V to 5.5V. It can be used for data storage, count/timing operations, device configuration, and address recognition. It has a low power dissipation and a low minimum input-to-output propagation delay. It is also CMOS compatible and can be used in high-current applications. The 74ACTQ574SC is considered one of the most popular logic-flip flops available on the market today.

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