CY74FCT821CTQCT

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The CY74FCT821CTQCT belongs to the category of logic - flip flops. It is an edge-triggered dual D-type flip-flop used as a two-bit storage register with separate preset, clear, clock and output enable inputs. The CY74FCT821CTQCT features low dynamic power dissipation and high noise immunity due to advanced CMOS logic. This low power, advanced CMOS logic is designed to lower the noise of high-speed logic circuits, thus maximizing system performance.

The CY74FCT821CTQCT has two D-type flip-flops, each with independent data, clock, preset, clear and output enable inputs. Data is transferred into each flip-flop on the low-to-high transition of the clock. Clear and preset inputs override clocked data through individual enable inputs. Reset is active low and preset is active high.

The CY74FCT821CTQCT can be used in a variety of applications, including digital multiplexers, datapath elements, address decoders, memory banks, shift registers and counters. The CY74FCT821CTQCT can be used in synchronous or asynchronous applications. In synchronous applications, the outputs may be updated whenever external clock pulses are received on the common clock input. In asynchronous applications, the outputs are updated when either the preset or clear inputs are activated.

Working principle of the CY74FCT821CTQCT is based on the circuit operation of a flip-flop. Flip-flops are logic devices that are used to store data. They take two binary inputs, one which is the data input and another is the clock input, to control the flow of data. The data input is used to determine if the data should be stored in the flip-flop or not. The clock input is used to control when the data should be stored into the flip-flop. When the clock is at a low logic level, no data is stored in the flip-flop. When the clock is at a high logic level, data is stored in the flip-flop.

The CY74FCT821CTQCT has two sets of inputs, one for clock signal and another for data signal. When the clock signal is activated (by going from a low to a high signal), the data that is presented on the data input (at the low signal) is stored in the flip-flop. This data is then held until the clock signal is activated again.

In addition to the clock and data inputs, the CY74FCT821CTQCT has two enable inputs and two output enables. The enable inputs are used to control when the data should be stored in the flip-flop. When the enable input is active, the data is stored in the flip-flop. When the enable input is inactive, the data is not stored in the flip-flop. The output enables are used to control the output of the flip-flop. When the output enables are active, the data stored in the flip-flop is presented on the outputs of the device.

The CY74FCT821CTQCT can be used in a variety of applications. It can be used for digital multiplexers, datapath elements, address decoders, memory banks, shift registers and counters. It can also be used for asynchronous or synchronous applications, allowing data to be stored or updated from different sources. With its low power consumption and high noise immunity, the CY74FCT821CTQCT is the ideal logic device for many applications.

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