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MAX7321AEE+

I/O Expander, 400 kHz, I2C, 1.71 V, 5.5 V, QSOP

MAXIM INTEGRATED PRODUCTS MAX7321AEE+
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Manufacturer Part No:
MAX7321AEE+
Order Code:
2516740
Technical Datasheet:
MAX7321AEE+   Datasheet
See all Technical Docs

Product Overview

The MAX7321AEE+ is a I2C port expander with 8 open-drain I/O in 16 pin QSOP package. This 2-wire serial interfaced peripheral features an 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. All I/O ports configured as inputs are continuously monitored for state changes (transition detection). State changes are indicated by the open-drain INT(complementary) output. The interrupt is latched, allowing detection of transient changes. When MAX7321 is subsequently accessed through serial interface any pending interrupt is cleared. The open-drain outputs are rated to sink 20mA and are capable of driving LEDs. It is used in cell phones, SAN/NAS, servers, satellite radio and notebooks.
  • Supply voltage range is 1.71V to 5.5V
  • Operating temperature range from -40°C to 125°C
  • 400KHz I2C serial interface
  • 8 open-drain I
  • O ports rated to 20mA sink current
  • Any port can be a logic input or an open-drain output
  • Selectable I
  • O port power-up default logic states
  • Transient changes are latched allowing detection between read operations
  • INT(complementary) output alerts change on inputs
  • Low 0.6µA (typ) standby current
  • Low 0.6µA (typ) standby current

Applications

Portable Devices, Consumer Electronics

Warnings

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

Product Information

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400kHz

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I2C

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1.71V

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5.5V

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QSOP

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16Pins

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8I/O's

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-

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-

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MSL 1 - Unlimited

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Technical Docs (1)

CAD Downloads

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Terms and Conditions

CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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Deliveries start from 4/4/22

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