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16-Channel Analog Digital Multiplexer Breakout Board Module

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16-Channel Analog Digital Multiplexer/Demultiplexer Breakout Board Module using CD74HC4067

3,250 IQD

In stock

16-Channel Analog Digital Multiplexer/Demultiplexer Breakout Board Module using CD74HC4067

This is a breakout board for the 16-Channel Analog/Digital Multiplexer/Demultiplexer CD74HC4067. This chip is like a rotary switch it internally routes the common pin (COM in the schematic, SIG on the board) to one of 16 channel pins (CHANxx). It works with both digital and analog signals (the voltage cannot be higher than VCC), and the connections function in either direction. To control it, connect 4 digital outputs to the chip’s address select pins (S0-S3), and send it the binary address of the channel you want. This allows you to connect up to 16 sensors to your system using only 5 pins.
Since the mux/demux also works with digital signals, you can use it to pipe TTL-level serial data to or from multiple devices. For example, you could use it to connect the TX pins of 16 devices to one RX pin on your microcontroller. You can then select any one of those 16 devices to listen to. If you want two-way communications, you can add a second board to route your microcontroller’s TX line to 16 device’s RX lines. By using multiple boards, you can create similar arrangements for I²C, SPI. The internal switches are bidirectional, support voltages between ground and VCC, have low “on” resistance and low “off” leakage, and to prevent crosstalk, perform “break-before-make” switching. The board also breaks out the chip’s “enable” pin, which when driven high, will completely disconnect the common pin (all switches “off”).

Package Includes:
1 x 16-Channel Analog Digital Multiplexer/Demultiplexer CD74HC4067

SKU: 248-MUTLIPLX Categories: ,

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