5PCS TCA9548A Expansion Board I2C IIC Multiplexer Breakout Board 8 Channel Expansion Board

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5PCS TCA9548A Expansion Board I2C IIC Multiplexer Breakout Board 8 Channel Expansion Board

Regular Price: US$23.99

Special Price US$19.99

Availability: In stock

Supplier: ATNSINC

Category: Electronics Computers & Accessories Computer Components Single Board Computers

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TCA9548A Expansion Board I2C IIC Multiplexer Breakout Board 8 Channel Expansion Board

Product Parameters:

Working voltage: 1.65V~5.5V
IIC clock frequency: 0 ~ 400KHz
Working environment temperature: -40 ° C ~ 85 ° C
Small board size: 31.5mm*21.4mm with two M3 mounting holes.

Like all Adafruit breakouts, we put this nice chip on a breakout for you so you can use it on a breadboard with capacitors, and pullups and pulldowns to make usage a snap. Some header is required and once soldered in you can plug it into a solderless-breadboard. The chip itself is 3V and 5V compliant so you can use it with any logic level.

Instructions For Use:

The /RESET, SDA, SCL, A0, A1, and A2 pins on the small board are connected to the pull-up 10K resistor, no need to connect externally.

Product Features:

The adapter is connected to an I2C device with multiple identical addresses on the same I2C port on the main control board for normal communication and use.
Finally, a way to get up to 8 same-address I2C devices hooked up to one microcontroller - this multiplexer acts as a gatekeeper, shuttling the commands to the selected set of I2C pins with your command.

The default address of this expander is 0x70, the address can be changed, and can be set within 0x70~0x77 according to your needs. In theory, 8 expanders can be cascaded in the address of 0x70~0x77, and each expander can connect 8 devices with the same address. This realizes the same I2C port and connects 64 devices with the same address and uses them normally.
Compatible with IIC bus and system management bus (SMBus), active low reset input, support for hot insertion, low standby current, no glitch during power-up, support for voltages between 1.8V, 2.5V, 3.3V and 5V buses Level shifting.

Instructions For Use: The /RESET, SDA, SCL, A0, A1, and A2 pins on the small board are connected to the pull-up 10K resistor, no need to connect externally. Max Clock Frequency: 400KHz. Working Voltage: 1.65-5.5V. Interface: I2C IIC; Selectable I2C address: 0x70-0x77. Chip: TCA9548A.