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MC74HC4051FR2 is listed in the Analog Switches, Multiplexers, Demultiplexers range at ChipApex. The manufacturer field lists onsemi. Its product description is LOG CMOS MLTIPLEXER 8CHAN. Review the specifications below when checking this part for your BOM.
The MC74HC4051FR2 is an analog multiplexer/demultiplexer manufactured by onsemi, utilizing high-performance silicon-gate CMOS technology. It provides a single 8-channel to 1-channel switching configuration within a 16-pin SOIC package. The device supports a digital power supply range of 2.0 V to 6.0 V and an analog supply range of 2.0 V to 12.0 V. Key electrical parameters include a maximum on-resistance of 130 ohms, a typical propagation delay of 4 ns at 5 V, and a bandwidth of 180 MHz. It features low off-leakage current (1 µA max) and operates across a temperature range of -55°C to +125°C.
Verify the specific suffix FR2 against official datasheets to confirm packaging details such as tape and reel specifications. Confirm RoHS compliance status through manufacturer declarations. Ensure the component meets required operating temperature ranges for the intended environment. Cross-reference part numbers with authorized distributors to avoid counterfeit sources.
Select this component when a single 8:1 analog switch is required with high-speed performance. Consider the 130 ohm on-resistance limit for signal integrity requirements. Verify that the 2V to 6V digital supply range matches the system logic levels. Check if the extended temperature range of -55°C to +125°C is necessary for the application environment.
This part belongs to the 74HC series of high-speed CMOS logic devices produced by onsemi. It is functionally compatible with other manufacturers' 74HC4051 variants. The device serves as a standard solution for analog signal routing in mixed-signal systems. It replaces older metal-gate CMOS multiplexers with improved linearity and speed characteristics.
Direct pin-compatible substitutes include MM74HC4051M and CD74HC4051M96. Verify electrical parameters such as on-resistance and propagation delay before substitution. Ensure the replacement part supports the same analog voltage range and package type.
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