54FCT245CTLB

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Logic - Buffers, Drivers, Receivers, Transceivers are electronic components used in signal and information transmission in electronic systems. The 54FCT245CTLB is a single-supply octal transceiver with non-inverting and inverting outputs, designed to handle high-speed TTL-compatible data and control signals.

Application Field

The 54FCT245CTLB is well-suited for a variety of applications. It is used to multiplex data and control signals from A/D and D/A circuits or to selector/multiplexer bus transceivers, or in applications that require higher driver currents or faster edge rates for signal integrity. The 54FCT245CTLB can be used as transmission gates for multiplexers, D-type flip-flops, and other functions requiring one-of-eight data transmission in one direction.

Working Principle

The 54FCT245CTLB is an octal bus transceiver with a bidirectional data flow capability and 3-state outputs. It uses a single supply, typically +5V DD , to operate from a source of TTL-compatible logic inputs and produce high-current outputs of up to 24mA. The device features outputs that are non-inverting and inverting, allowing for both 3-state and bidirectional data flow.

The 54FCT245CTLB works by utilizing a bi-directional flow of data. When the chip is set in one direction (toward logic high or logic low), the outputs drive data from the input source. When the chip is set in the opposite direction (away from logic high), the outputs are turned off and the device acts like an isolated bus transceiver by isolating the input data from the output sink.

The 3-state output capability is used when there is no requirement for driving data out of the device. In this mode, the outputs are placed in the high-impedance state and the inputs are still latched. The 3-state outputs allow the device to prevent bus contention when more than one device is connected to the same data bus.

The 54FCT245CTLB has the ability to drive a TTL load, meaning it can sink 24mA and source 12mA. This device also features an internal clamping system that limits the output voltage for high-speed operation. This helps reduce reflections and overshoots caused by the fast edge rates common in digital applications.

The 54FCT245CTLB is an essential component for many application due to its ability to handle high-speed TTL-compatible data and control signals and provide multiplexed data transmission in a single direction. It can be used in A/D and D/A circuits or to selector/multiplexer bus transceivers, or in any application that requires higher driver currents or faster edge rates for signal integrity.

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