Specifications

Technical data sheets

Legislation and Compliance

Product Details

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Select all	Attribute	Value
	Brand	Maxim Integrated
	Product Type	I/O Expander
	Number of I/O Channels	8
	Package Type	TQFN
	Clock Frequency	400kHz
	Interface Type	Serial-I2C
	Mount Type	Surface
	Maximum Supply Voltage	5.5V
	Minimum Supply Voltage	1.71V
	Pin Count	16
	Minimum Operating Temperature	-40°C
	Maximum Operating Temperature	125°C
	Standards/Approvals	No
	Height	0.8mm
	Length	3mm
	Width	3 mm
	Series	MAX7321
	Automotive Standard	No

	Select all
	Brand Maxim Integrated
	Product Type I/O Expander
	Number of I/O Channels 8
	Package Type TQFN
	Clock Frequency 400kHz
	Interface Type Serial-I2C
	Mount Type Surface
	Maximum Supply Voltage 5.5V
	Minimum Supply Voltage 1.71V
	Pin Count 16
	Minimum Operating Temperature -40°C
	Maximum Operating Temperature 125°C
	Standards/Approvals No
	Height 0.8mm
	Length 3mm
	Width 3 mm
	Series MAX7321
	Automotive Standard No

The Maxim MAX7321 2 wire serial interfaced peripheral features eight open-drain I/O ports with selectable internal pull-ups and transition detection. Any port may be used as a logic input or an open-drain output. Ports are overvoltage protected to +6V independent of supply voltage.

400kHz I2C serial interface

+1.71V to +5.5V operating voltage

8 open drain I/O ports rated to 20mA sink current

Maxim Integrated 8-Channel I/O Expander Serial-I2C TQFN 16

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