STMicroelectronicsHCF 4051 SMD

The STMicroelectronics HCF4051 SMD 8-Channel Analog Multiplexer Demultiplexer SO-16 is an 8-channel CMOS analog multiplexer/demultiplexer for bidirectional selection of one of eight analog or digital signals.

Technical description

The HCF4051 provides eight bidirectional channels, three binary select inputs and an inhibit control. This listing refers to an SO-16 SMD version without assigning an unverified order suffix.

Indicative applications

Sensor selection, analog signal routing, data acquisition, multiplexing and repair of control boards.

Compatibility note

Before replacement, verify the exact suffix, package, pinout, supply rails and signal range used in the circuit. Variants of the same family can differ in electrical limits or temperature grade.