CY74FCT244ATQCT Integrated Circuits (ICs)

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The CY74FCT244ATQCT belongs to the Logic - Buffers, Drivers, Receivers, Transceivers family and is a low-power, low-cost, octal tri-state non-inverting buffer/line driver with 3-state outputs. It operates from a single power supply on a wide voltage range of 2.0V to 3.6V. This device is designed to improve both propagation delay and output drive.

Application

It finds widespread application in many places like CPU bus interfaces, driving peripheral devices, address and data bus tristate buffering and bus driving. The device can also be used as a two-way data communication interface between the two independent buses of the system and serves as a non-blocking data buffer for digital systems, routing data for asynchronous transmission.

CY74FCT244ATQCT devices are also used for memory subsystems for interfacing between processor-based systems and memory-mapped I/O devices. The device can be used in multiplexer and bidirectional bus applications very efficiently.

Features

CY74FCT244ATQCT devices have a wide range of features that make it ideal for a variety of applications. These include very low power consumption, low supply voltage, wide supply voltage range of 2. 0V to 3.6V, high drive capability, fast switching speeds, low propagation delay, adjustable output drive current, and ESD protection.

Also, the device comes in a leaded SO-14 or TSSOP-14 plastic package. The device contains eight non-inverting buffers/drivers with 3-state outputs and is designed with TTL compatible inputs. It has resistor controlled input pull-ups for use in applications with non-TTL devices.

Working Principle

The CY74FCT244ATQCT combines two functions: output buffer and three-state control. The buffer functions as a tristate non-inverting low-power buffer/driver with 3-state outputs. It provides an optimal interface between two systems with different logic levels and/or impedances.

The device features separate output enables (nE) for each buffer, allowing the affected buffer\'s outputs to go in the high-impedance state. If only one buffer is controlled by an nE, the buffer will be in the tristate state even though its data input is not in the tristate condition.

The driver has 2.0V to 3.6V operating voltage and low-power consumption. It has fast switching speeds and very low propagation delay, which makes it suitable for high-speed applications. The device also features adjustable output drive current for improved performance. In addition, it has an enhanced ESD protection to improve reliability.

Conclusion

CY74FCT244ATQCT is a low-cost, high-speed octal tri-state non-inverting buffer/line driver with 3-state outputs. It finds numerous application in various situations, including CPU bus interfaces, driving peripheral devices, address and data bus tristate buffering, asynchronous data buffering, bus driving, multiplexer, and bidirectional bus applications. It has very low power consumption, fast switching speeds and low propagation delay. The device also has adjustable output current and improved ESD protection.

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