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Name: 24AA02E48T-I/OT
Brand: Microchip Technology
SKU: 24AA02E48T-I/OT
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Microchip Technology 24AA02E48T-I/OT

Part No.:: 24AA02E48T-I/OT

Manufacturer:: Microchip Technology

Package:: SC-74A, SOT-753

Datasheet:: 24AA02E48T-I/OT.pdf

Description:: IC EEPROM 2KBIT I2C SOT23-5

In Stock:: 2142

Quantity:: Add To Cart

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24AA02E48T-I/OT Specifications

Package/Case:
SC-74A, SOT-753
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
MemoryType:
Non-Volatile
MemoryFormat:
EEPROM
Technology:
EEPROM
MemorySize:
2Kb (256 x 8)
MemoryInterface:
I²C
ClockFrequency:
400 kHz
WriteCycleTime-WordPage:
5ms
AccessTime:
900 ns
Voltage-Supply:
1.7V ~ 5.5V
OperatingTemperature:
-40°C ~ 85°C (TA)
MountingType:
Surface Mount

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24AA02E48T-I/OT information

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24AA02E48T-I/OT Typical application Circuitry

The 24AA02E48T-I/OT is an EEPROM (Electrically Erasable Programmable Read-Only Memory) chip that also incorporates an embedded EUI-48-compatible MAC (Media Access Control) address. It is used for data storage and identification purposes.

Functionality

The 24AA02E48T-I/OT is primarily a data storage device, with a unique MAC address hardwired into it, making it ideal for applications that require network identification.

Application Scenarios

It can be used in various applications like IoT devices, networked sensors, Ethernet-connected devices, and other situations where a unique MAC address and data storage are required.

Parameter Features

- Memory Size: 2Kbits

- Interface: I2C/SMBus Compatible

- Voltage Range: 1.7V to 5.5V

- Pre-programmed globally unique EUI-48 MAC address

Example Circuit: IoT Device Identification and Data Storage

Let's consider an IoT device requiring both a unique identifier and small data storage.

Circuit Design Considerations

1. Supply Voltage

- The 24AA02E48T-I/OT operates between 1.7V and 5.5V. Ensure that your power supply falls within this range.

2. Pull-up Resistors

- I2C requires pull-up resistors on both the SDA and SCL lines. These resistors should be connected to the power supply voltage.

3. Communication Speed

- I2C speed settings must be compatible between the 24AA02E48T-I/OT and the microcontroller you're using.

4. Addressing

- Since the 24AA02E48T-I/OT comes with a unique MAC address, you must make sure that no address conflicts occur in your network.

Circuit Connections

1. Power Supply: Connect VCC (Pin 8) of the 24AA02E48T-I/OT to a 3.3V or 5V power supply, depending on your setup.

2. Ground Connection: Connect VSS (Pin 4) of the 24AA02E48T-I/OT to the circuit's ground.

3. SDA Line: Hook up SDA (Pin 5) to the microcontroller's SDA line. Attach a pull-up resistor (typically 4.7kΩ) between this line and the power supply.

4. SCL Line: Hook up SCL (Pin 6) to the microcontroller's SCL line. Similarly, include a pull-up resistor between this line and the power supply.

5. Address Pins: A0, A1, A2 (Pins 1, 2, 3) are generally left unconnected or connected to ground, depending on whether you want to change the I2C address.

6. Optional Connections: WP (Write Protect, Pin 7) can be tied to ground to enable write operations or to VCC to disable them.

By meticulously planning and executing these steps, you can efficiently integrate the 24AA02E48T-I/OT into an IoT device for identification and data storage purposes. Special attention needs to be given to the I2C speed compatibility, pull-up resistors, and power supply specifications to ensure seamless operation.

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6. What is the process for return or replacement of 24AA02E48T-I/OT?

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

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