74FCT2244CTQG

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The 74FCT2244CTQG is a general-purpose octal buffer, receiver, and transceiver. It has a number of features that support its use in many applications, including high-speed performance and hot-swap capability. The 74FCT2244CTQG is well-suited for applications such as FPGA/DSP links, backplane connections, computer peripherals, and networking. It also features hot-swap capability, enabling it to tolerate voltage fluctuations without damaging the device.

Application Field

The 74FCT2244CTQG is designed for use in applications where high-speed signal transfer and current sourcing capability are crucial. Its eight channels offer an ideal solution for systems requiring signal transfer of up to 24 megahertz. The octal buffer, receiver, and transceiver design of the device provide the additional benefit of a fully diff-amp-like input stage to Y-outputs and high noise immunity. Its hot-swap capability allows it to operate as a standalone device in switches, or as part of a system in interconnects for very high density systems.

The 74FCT2244CTQG is also well-suited for applications where current sourcing capability needs to be specialized to meet the needs of a system. Its open-drain technology allows the current sourcing capability to be adjusted easily. This is especially useful when the task involves interfacing with a variety of different systems.

Working Principle

The 74FCT2244CTQG is an octal buffer, receiver, and transceiver which uses open-drain technology to provide current sourcing capability. The device features 8-channel I/O ports, each of which can source up to 48mA of current. When a logic low is present at the input, the corresponding output is in the low-impedance state, allowing the device to quickly source current. When the input is at a logic high level, the output is in the high-impedance state, preventing any current from being sourced. Additionally, the device features differential and high-frequency wide-voltage inputs which provide higher noise immunity on the inputs and outputs.

The device also features a hot-swap capability which allows it to tolerate voltage fluctuations without damaging the device. This feature is useful in applications that require a seamless transition from low to high voltage or vice versa. Additionally, the device is designed for high-speed operation, allowing for a data transfer rate of up to 24 megahertz, making it well-suited for a variety of interface applications.

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