74HCT4851PW,112

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The 74HCT4851PW,112 is a low-voltage CMOS logic device in the Interface - Analog Switches, Multiplexers, Demultiplexers category. This integrated logic operates from a single 2.5V to 3.6V supply and is designed to support mixed voltage logic systems. This device is a 1-of-8 High-Speed CMOS Multiplexer with a “low” select threshold and a fast data selection time.

This device can be used in a wide range of applications, ranging from digital multiplexing to analog signal routing and can even be used for system interfacing. It allows for the routing of one of eight digital inputs to a common output channel. This device is particularly useful for applications involving multiple control functions from a single common source such as a microcontroller. Additionally, it can be used in systems requiring the multiplexing of analog signals and for the routing of digital signals between two different circuit domains. For instance, it can be used for the multiplexing of high-speed digital signals from multiple devices or resources.

The 74HCT4851PW,112 utilizes a double-pole, single-throw (DPST) switch configuration which limits the number of channels it can multiplex to 8. This device supports both “Enable” and “Enable Inverted” mode input configurations, increasing the flexibility and allowing for a wider range of use cases. In addition to its multiplexing capabilities, the device includes several useful features such as power-on preset, open drain output configurations, latch-up resistant logic, and a dedicated line-on-off feature. It is also capable of providing a low-voltage logic output.

The working principle of the 74HCT4851PW,112 is quite simple. It consists of two complimentary, CMOS logic-level switches that share a common control input. When a logic-high level is applied to the control input, both switches are closed, thus allowing the signal at the input to be routed through to the output. On the other hand, when a logic-low level is applied to the control input, both switches are open, blocking the signal from being routed through to the output.

In addition, the device is designed to be low-power and able to support both high-speed and low-speed signal multiplexing. Furthermore, it is designed to be immune from glitches and over-voltage signals, thus ensuring an improved noise immunity when compared to standard CMOS multiplexers. Overall, the 74HCT4851PW,112 is a great choice for a wide range of applications as it is capable of providing reliable and high-speed signal multiplexing.

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