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The MC74HC4051FEL is a high-performance silicon-gate CMOS analog multiplexer/demultiplexer manufactured by onsemi. It provides one 8-to-1 channel configuration within a single integrated circuit housed in a 16-SOIC package. The device supports a digital power supply range of 2V to 6V and an analog supply range of ±2V to ±6V. Key electrical parameters include a maximum on-resistance of 100 ohms, a channel-to-channel matching of 10 ohms, and a -3dB bandwidth of 80MHz. It operates across a temperature range of -55°C to 125°C with a maximum leakage current of 200nA.
Verify the specific suffix 'FEL' against the official datasheet to confirm the exact package dimensions and tape-and-reel specifications. Ensure compatibility with standard CMOS logic levels for channel selection inputs. Confirm RoHS compliance status for the specific manufacturing lot before integration into regulated assemblies.
Select this component when a single 8:1 analog switch is required with low on-resistance and wide bandwidth. Compare the 100-ohm maximum on-resistance against system loss requirements. Verify that the 16-SOIC package fits the available PCB footprint and thermal constraints.
This part belongs to the 74HC4051 family of analog multiplexers. It serves as a direct pin-compatible replacement for older metal-gate devices like the MC14051B while offering superior speed and lower noise characteristics inherent to modern silicon-gate CMOS processes.
Check for equivalent parts from other manufacturers such as Texas Instruments or NXP. Verify that substitute components maintain the same 16-pin SOIC footprint and compatible voltage ranges.