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CJMCU-16 CD74HC4067 16-CH Analog / Digital MUX Breakout Module

CJMCU-16 CD74HC4067 16-CH Analog / Digital MUX Breakout Module

CJMCU-16 CD74HC4067 16-CH Analog / Digital MUX Breakout Module - Purple

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SKU: 392668
  • US$3.85

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CJMCU-16 CD74HC4067 16-CH Analog / Digital MUX Breakout Module

CJMCU-16 CD74HC4067 16-CH Analog / Digital MUX Breakout Module

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This is a breakout board for the very handy 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 cant be higher than VCC), and the connections function in either direction. To control it, connect 4 digital outputs to the chips address select pins (S0-S3), and send it the binary address of the channel you want (see the datasheet for details). 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 microcontrollers TX line to 16 devices RX lines. By using multiple boards, you can create similar arrangements for I2C, SPI, etc. 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 chips enable pin, which when driven high, will completely disconnect the common pin (all switches off).

General
ModelN/A
Quantity1 piece
Form ColorPurple
MaterialCCL + components
Specification
English Manual / SpecYes
Download Link http://pan.baidu.com/s/1pJGBYn5
Other Features
Other Features2~6V operation; On resistance: 70ohm @ 4.5V; 6ns break-before-make @ 4.5V; Wide operating temperature range: -55~125'C.
Dimensions & Weight
Dimensions 1.65 in x 0.71 in x 0.16 in (4.2 cm x 1.8 cm x 0.4 cm)
Weight 0.18 oz (5 g)
Packing List
1 x Breakout board
2 x Pin headers

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Quantity 3+ units 5+ units 10+ units
Rate US$1.87 shipped US$1.86 shipped US$1.85 shipped

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