Interface - I/O Expanders
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MAX7321AEE Product Details
The MAX7321AEE 2-wire serial-interfaced peripheral features eight open-drain I/O ports with selectable internal pullups 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 output.
The interrupt is latched, allowing detection of transient changes. When the MAX7321AEE is subsequently accessed through the serial interface, any pending interrupt is cleared.
The open-drain outputs are rated to sink 20mA and are capable of driving LEDs.
The RST input clears the serial interface, terminating any 12C communication to or from the MAX7321.
The MAX7321AEE uses two address inputs with four-level logic to allow 16 12C slave addresses. The slave address also determines the power-up logic state for the I/O ports, and enables or disables internal 40k2 pullups in groups of four ports.
The MAX7321AEE is one device in a family of pin-compatible port expanders with a choice of input ports, open-drain I/O ports, and push-pull output ports.
The MAX7321AEE is available in 16-pin QSOP and TQFN packages, and is specified over the automotive temperature range(-40°℃ to+125℃).
· 400kHz 12C Serial Interface
·+1.71V to +5.5V Operating Voltage
· 8Open-Drain /O Ports Rated to 20mA Sink Current
· I/O Ports Are Overvoltage Protected to +6V
· Any Port Can Be a Logic Input or an Open-Drain Output
· Selectable /O Port Power-Up Default Logic States· Transient Changes Are Latched, Allowing Detection Between Read Operations
· INTOutput Alerts Change on Inputs
· AD0 and AD2 Inputs Select from 16 Slave Addresses
· Low 0.6uA(typ) Standby Current
·-40℃ to+125℃ Operating Temperature
·Cell Phones ·Notebooks
- 400kHz I2C Serial Interface
- +1.71V to +5.5V Operating Voltage
- 8 Open-Drain I/O Ports Rated to 20mA Sink Current
- I/O Ports Are Overvoltage Protected to +6V
- 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
- active-low INT Output Alerts Change on Inputs
- AD0 and AD2 Inputs Select from 16 Slave Addresses
- Low 0.6μA (typ) Standby Current
- -40°C to +125°C Operating Temperature
- Cell Phones
- Satellite Radio
|Package / Case||QSOP-16|
MAX7321 data sheet for guidance
MAX7321AEE Related Products
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1.We provide 90 days warranty.
2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.
- Q: How does Jotrin guarantee that MAX7321AEE is the original manufacturer or agent of MAXIM?
- We have a professional business development department to strictly test and verify the qualifications of MAXIM original manufacturers and agents. All MAXIM suppliers must pass the qualification review before they can publish their MAX7321AEE devices; we pay more attention to the channels and quality of MAX7321AEE products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
- Q: How to find the detailed information of MAX7321AEE chips? Including MAXIM original factory information, Interface - I/O Expanders application, MAX7321AEE pictures?
- You can use Jotrin's intelligent search engine, or filter by I/O Port Expanders category, or find it through Maxim Integrated Information page.
- Q: Are the MAXIM's MAX7321AEE price and stock displayed on the platform accurate?
- The MAXIM's inventory fluctuates greatly and cannot be updated in time, it will be updated periodically within 24 hours. After submitting an order for MAX7321AEE, it is recommended to confirm the order with Jotrin salesperson or online customer service before payment.
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Yes. We accept offline orders.
We can provide order placement service. You only need to log in, click "My Orders" to enter the transaction management, and you will see the "Order Details" interface. After checking it, select all and click "Place Order". In addition, you can enjoy coupons or other selected gifts when placing orders online.
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- Q: What is the process for returns or replacement of MAX7321AEE?
All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment.
If there is something wrong with the MAX7321AEE we delivered, we will accept the replacement or return of the MAX7321AEE only when all of the below conditions are fulfilled:
(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.
(2)We are informed of the defect described above within 90 days after the delivery of MAX7321AEE.
(3)The MAX7321AEE is unused and only in the original unpacked packaging.
Two processes to return the products:
(1)Inform us within 90 days
(2)Obtain Requesting Return Authorizations
More details about return electronic components please see our Return & Change Policy.
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