CY74FCT573CTSOCTE4

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CY74FCT573CTSOCTE4: Application Field and Working Principle

The CY74FCT573CTSOCTE4 is a part of the family of low static and dynamic power FCT devices. It is a latched device consisting of four transparent latches that has the ability to store four bits of data.

Application Field

The CY74FCT573CTSOCTE4 is designed for output flip-flop application and is widely used in combination logic gates. It is used in many industrial, commercial, military/aerospace, medical, and consumer applications, such as in switches, registers, timers, counters, and certain types of memories.

Working Principle

The CY74FCT573CTSOCTE4 consists of four latches, each latch consists of two cross-coupled NAND gates. The latches require two external inputs, inputs Enable (E) and Clock (CLK), and two external outputs, inverted outputs (Qa\', Qb\', Qc\', Qd\') and noninverted outputs (Qa, Qb, Qc, Qd).

The device is enabled by a rising edge of the clock input and is clocked into a specific state when the enable pin is high. When Enable is a low logic level and Clock is low, the inputs of each latch are placed in the high impedance state allowing information to be transmitted through the latches, modifying the state of the outputs of the latch. When the Enable pin is a high logic level, the clock is disabled and the inputs are locked. This prevents any change of the state of the outputs when the Clock pin is low.

The CY74FCT573CTSOCTE4 are synchronous latches, meaning that they are updated on the edge of the clock signal. The functionality of the CY74FCT573CTSOCTE4 latency is very dependent on the type of clock used. A standard TTL clock will generally provide a pulse width of 4 to 6 nanoseconds, but this can be increased by the use of higher frequency oscillators and specialized control signals.

Conclusion

The CY74FCT573CTSOCTE4 is a family of low power synchronous, transparent latches from Fairchild Semiconductor. Its wide range of application in many industrial, commercial, military/aerospace, medical, and consumer applications make it a desirable product. It works by storing the data when the Enablepin is high and Clock is low, and the data will be latched into the device on the rising edge of the clock.

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