74HCT4051 Datasheet – Analog Multiplexer / Demultiplexer

Part Number: 74HCT4051

Function: 8-channel analog multiplexer/demultiplexer

Package: SO, TSSOP 16 Pin Type

Manufacturer: NXP Semiconductors.


74HCT4051 datasheet



The 74HC4051, 74HCT4051 is a high-speed Si-gate CMOS device and is pin compatible
with Low-power Schottky TTL (LSTTL). The device is specified in compliance with JEDEC
standard no. 7A.

The device is an 8-channel analog multiplexer/demultiplexer with three
digital select inputs (S0 to S2), an active-LOW enable input (E), eight independent
inputs/outputs (Y0 to Y7) and a common input/output (Z). With E LOW, one of the eight
switches is selected (low impedance ON-state) by S0 to S2. With E HIGH, all switches are
in the high-impedance OFF-state, independent of S0 to S2.


1. Wide analog input voltage range from -5 V to +5 V

2. Logic level translation: to enable 5 V logic to communicate with ±5 V analog signals

3. Typical ‘break before make’ built-in


1. Analog multiplexing and demultiplexing

2. Digital multiplexing and demultiplexing

3. Signal gating


Other data sheets are available within the file:

74HC4051, 74HC4051BQ, 74HC4051D, 744051, 74HC4051DB


74HCT4051 Datasheet PDF Download

74HCT4051 pdf