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M74HC4851TTR

M74HC4851TTR Description

The M74HC4851TTR is an 8:1 multiplexer/demultiplexer integrated circuit (IC) designed by STMicroelectronics. This obsolete yet highly reliable component is ideal for applications requiring efficient signal routing and switching. The M74HC4851TTR features a single 8:1 multiplexer/demultiplexer circuit housed in a 16-lead TSSOP package, suitable for surface-mount applications. It operates within a wide supply voltage range of 2V to 6V, making it versatile for various electronic systems.

M74HC4851TTR Features

• Low Leakage Current: The M74HC4851TTR boasts a maximum leakage current (IS(off)) of only 100nA, ensuring minimal power consumption and maintaining signal integrity even in low-power applications.
• Channel-to-Channel Matching: With a ΔRon of 3Ω, the M74HC4851TTR ensures consistent performance across all channels, crucial for applications requiring high precision.
• Low Channel Capacitance: The channel capacitance (CS(off), CD(off)) is rated at 6.7pF and 22pF respectively, minimizing signal delay and ensuring fast switching times.
• Low On-State Resistance: The maximum on-state resistance (Ron) is 195Ω, which reduces power loss and heat generation during operation.
• Wide Operating Voltage Range: The M74HC4851TTR operates efficiently within a supply voltage range of 2V to 6V, providing flexibility in system design.
• Compliance and Reliability: The IC is REACH unaffected and ROHS3 compliant, ensuring it meets environmental and safety standards. It also has a moisture sensitivity level (MSL) of 1 (unlimited), making it suitable for a variety of manufacturing environments.
• Packaging: Available in a tape and reel (TR) package, the M74HC4851TTR is ideal for automated assembly processes.

M74HC4851TTR Applications

The M74HC4851TTR is well-suited for a variety of applications where efficient signal routing and switching are required. Some specific use cases include:

• Data Acquisition Systems: Ideal for routing multiple sensor inputs to a single analog-to-digital converter (ADC), enhancing the efficiency of data collection.
• Communication Systems: Used in multiplexing multiple communication channels to a single transmission line, reducing the number of required connections.
• Automotive Electronics: Suitable for controlling various signals in automotive systems, such as sensor data and control signals, due to its robustness and reliability.
• Industrial Control Systems: Effective in managing multiple input signals in industrial automation, where precise signal routing is critical.

Conclusion of M74HC4851TTR

The M74HC4851TTR from STMicroelectronics is a versatile and reliable 8:1 multiplexer/demultiplexer IC that offers significant performance benefits. Its low leakage current, channel-to-channel matching, and low on-state resistance make it an excellent choice for applications requiring high precision and efficiency. Despite being obsolete, the M74HC4851TTR remains a valuable component for engineers and designers looking for a robust solution in their electronic systems.