NB4L858MFAR2G

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The NB4L858MFAR2G logic signal switch is a device manufactured by ON Semiconductor, containing a single 8-bit 3-state switch with a common enable. It was designed to be easily added to an existing logic circuit and used for data-bus switching, input/output muxing, address multiplexing, or similar data-stream switching and distribution functions. This article provides an overview of the NB4L858MFAR2G and its application and working principles.

NB4L858MFAR2G Overview

The NB4L858MFAR2G logic signal switch contains a single 8-bit 3-state switch with a common enable. It is made of eight independent 2-input NAND gates. The output of each NAND gate is symmetrically distributed to both sides by two 2-input TTL-compatible open-drain outputs. The NB4L858MFAR2G has TTL-compatible inputs, eliminating the need for additional level conversion when interconnecting between two dissimilar technology domains. Each of the eight inputs can be tied high or low, with the remaining inputs at their default high state, when not connected, which makes the NB4L858MFAR2G ideal for data-bus switching, input/output muxing, address multiplexing, or similar data-stream switching and distribution functions.

Applications

The ON Semiconductor NB4L858MFAR2G is ideal for use in applications that require rapid data multiplexing, switching between inputs and outputs, or data-bus switching. It is ideal for use in applications such as embedded systems, FPGAs, and high-speed asynchronous data systems. The NB4L858MFAR2G can be used to switch between projects, process multiple signals, or divide data into multiple streams.

Working Principle

The NB4L858MFAR2G uses a common enable pin to control the logic switching operation. When the enable pin is active, data is passed from one side of the switch to the other. When the enable pin is inactive, the data is in a tri-state logic level, meaning that it is neither a logic high nor a logic low. The two sides of the switch are symmetrically driven, which allows for full-duplex operation. The device\'s TTL-compatible inputs and outputs ensure that no additional level conversion is required when interfacing with other devices.

Conclusion

The NB4L858MFAR2G logic signal switch is a device manufactured by ON Semiconductor. It contains a single 8-bit 3-state switch with a common enable and is ideal for use in applications that require rapid data multiplexing, switching between inputs and outputs, or data-bus switching. The working principle of the NB4L858MFAR2G is based on a common enable pin that controls the logic switching operation, and its TTL-compatible inputs and outputs minimize the need for additional level conversion.

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