Details

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BUY MAX7301AAI+T https://www.utsource.net/itm/p/4647168.html
IC I/O EXPANDER SPI 20B 28SSOP

Parameter	Description	Value	Units
Supply Voltage (VDD)	Operating supply voltage range	2.3 to 5.5	V
Supply Current	Maximum supply current at VDD = 5.5V	40	μA
Output Current per Port	Maximum output current per port	±25	mA
I/O Ports	Number of bidirectional I/O ports	8
Operating Temperature	Full specification temperature range	-40 to +85	°C
Package Type	Type of package	TSSOP
Pin Count	Number of pins	20

Instructions for MAX7301AAI+T

1. Power Supply Connection:

   • Connect VDD to the positive supply voltage within the specified range of 2.3V to 5.5V.
   • Connect GND to the system ground.

2. Port Configuration:

   • Configure each I/O port as either input or output using the appropriate control register settings.
   • Ensure that the current through any single port does not exceed ±25mA to prevent damage.

3. Communication Interface:

   • The device uses an I2C-compatible serial interface for configuration and data transfer.
   • Ensure correct address setting for the I2C bus communication.

4. Operating Environment:

   • Operate the device within the specified temperature range of -40°C to +85°C to ensure reliable performance.

5. Handling Precautions:

   • Handle the IC with care to avoid static damage; use proper ESD protection practices.
   • Avoid exposing the device to environments exceeding its operating parameters to prevent malfunction or damage.

(For reference only)