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Onsemi MC74HC4851ADR2G Environmental and export classification status description

The MC74HC4851ADR2G is an 8-channel multiplexer/demultiplexer that belongs to the high-speed CMOS (HC) family of integrated circuits. It is designed to switch between multiple analog inputs and route them to a common output line. The device features lower power consumption and increased speed compared to traditional CMOS devices, making it suitable for various applications where analog signal selection is required. Functions - Channel Switching: The primary function is to allow one of eight different input signals to be sent to the output based on control signals. - Control Logic: It has control lines (S1, S2, S3) that select which input channel is connected to the output. - Invertion Capability: The device can also function in the demultiplexing mode, sending a signal from a single source to one of multiple output lines. - High-Speed Operation: Supports fast switching speeds, making it suitable for high-frequency applications. Applications - Data Routing: Used in data communication systems for routing data signals. - Audio Switching: Can be utilized in audio systems to switch between different audio sources. - Signal Multiplexing: In instrumentation, it can help in conditioning signals from multiple sensors. - Telecommunication: Used in telecommunication systems for switching purposes. Alternative Parts If you're looking for alternatives to the MC74HC4851ADR2G, consider the following: - 74HC153: A dual 4-channel multiplexer/demultiplexer. - 74HC4051: An 8-channel analog multiplexer/demultiplexer, similar in functionality but with different characteristics. - 74HC157: A quad 2-channel multiplexer which is useful for simpler channel selections. Embedded Modules Embedded systems may use the MC74HC4851ADR2G in various configurations: - Microcontroller Interfacing: Microcontrollers can interface with the IC for signal routing based on computation. - Sensor Arrays: It's commonly used in sensor data acquisition systems where multiple sensors need to be connected to a single data input. - Signal Processing Circuits: It can be integrated into larger signal processing circuits where multiple signals need selective processing. Related Q&A 1. Q: What is the maximum supply voltage for the MC74HC4851ADR2G? A: The MC74HC4851ADR2G operates with a supply voltage (Vcc) ranging from 2V to 6V. 2. Q: Can the MC74HC4851ADR2G be used for analog signals? A: Yes, the MC74HC4851ADR2G is suitable for both analog and digital signal multiplexing. 3. Q: What control signals are used to select the channels on the MC74HC4851ADR2G? A: The channels are selected using three control inputs: S1, S2, and S3. 4. Q: What are the key advantages of using the MC74HC4851ADR2G over older multiplexer technologies? A: The MC74HC4851ADR2G offers higher speed, lower power consumption, and better noise immunity compared to older CMOS technologies. 5. Q: Is the MC74HC4851ADR2G compatible with TTL logic levels? A: Yes, the MC74HC4851ADR2G is compatible with TTL levels, which makes it versatile for various applications involving TTL logic.