CY74FCT646ATSOCT

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CY74FCT646ATSOCT is a one-of-a-kind integrated circuit produced by Cypress Semiconductors. This device permits synchronization of several serial inputs for the purpose of generating a singular output signal. It is part of the TTL logic family, which constitutes a typical kind of logic gate used to interface with other circuits. It is listed as a logic device belonging to the Buffers, Drivers, Receivers, Transceivers category.

Application of CY74FCT646ATSOCT

The CY74FCT646ATSOCT gate could be used as an interface between several asynchronous serial outputs and generate a synchronized signal from the combination of them. This divices handle properly the logic levels variations due to temperature changes, power-supply voltage swings, etc. The high speed switching rate make this circuit particularly suitable for clock generating between fast multiple serial inputs. The device is also well suited for multiport buffering, broadcast communication and handshaking protocols.

How it works

The CY74FCT646ATSOCT include also four tri-state output buffers to drive its outputs. The device has 6 input pins and one output pin plus 3 Enable pins.The inputs have TTL logic levels 0 and 1. When enabled, the output will provide a single signal corresponding to the logic level of the input pins.

When the enabled pin is set to a low level (0), all the outputs will be placed in the TRISTATE state and the output drivers will not affect the bus lines. Because of this low power state, the device can be used for power sensitive applications. The output pin provides an output signal that is synchronous with the inputs.

The Enable pin will control each output individually and can also be used to enable all the outputs at once, if needed. By connecting the Enable input to different logic levels the CY74FCT646ATSOCT can be used to multiplex multiple signal sources and will, in effect, act as a 1-of-N mux. The Enable inputs can also be used to hold all the outputs in the TRISTATE state, until a particular logic transition takes place on the Enable pins and the desired output levels are established.

Conclusion

In conclusion, the CY74FCT646ATSOCT is a quite flexible device specially designed to interface several asynchronous serial outputs and generate a synchronized signal from the combination of them. The Enable pin will control eachoutput individually and the Enable inputs can be used to multiplex multiple signal sources and to change the output levels. The device is an ideal tool for protocol handshaking, broadcast communication and multiport buffering.

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