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Microchip Technology 24AA1025T-I/SN

Part No.:: 24AA1025T-I/SN

Manufacturer:: Microchip Technology

Package:: 8-SOIC (0.154, 3.90mm Width)

Datasheet:: 24AA1025T-I/SN.pdf

Description:: IC EEPROM 1MBIT I2C 400KHZ 8SOIC

In Stock:: 3467

Quantity:: Add To Cart

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24AA1025T-I/SN Specifications

Package/Case:
8-SOIC (0.154, 3.90mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
MemoryType:
Non-Volatile
MemoryFormat:
EEPROM
Technology:
EEPROM
MemorySize:
1Mb (128K 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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24AA1025T-I/SN information

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24AA1025T-I/SN Typical application Circuitry

24AA1025T-I SN

The 24AA1025T-I/SN is a variant of the 24AA1025 EEPROM, a 1 Mbit (128K x 8) serial electrically erasable programmable read-only memory (EEPROM) chip. It is designed for efficient storage and retrieval of data in microcontroller-based systems. The "T" in the part number usually indicates a specific temperature range or other specification.

Application Scenario: Configuration Settings Storage in Industrial Control Systems

In industrial control systems, the 24AA1025T-I/SN can be used to store configuration settings that can be retrieved and modified as needed, even after power cycles.

Circuit Configuration:

1. Power Supply Connections: Connect Vcc (pin 8) of the 24AA1025T-I/SN to a 2.5V to 5.5V power supply and Vss (pin 4) to the ground.

2. I2C Communication: Connect SDA (pin 5) and SCL (pin 6) to the corresponding I2C data and clock lines of the microcontroller, with pull-up resistors connected to Vcc.

3. Address Selection: Connect the address pins A0, A1, and A2 (pins 1, 2, and 3) to either ground or Vcc to set the EEPROM's I2C address.

4. Write Protect: Connect the WP pin (pin 7) to the ground to enable writing to the EEPROM, or to Vcc to protect the stored data from being overwritten.

Key Parameters and Design Considerations:

When incorporating the 24AA1025T-I/SN into a circuit, consider the following:

1. Memory Capacity: The EEPROM offers 1 Mbit of storage, suitable for storing a large number of configuration settings.

2. Voltage Range: Ensure that the power supply voltage is within the specified range of 2.5V to 5.5V.

3. I2C Communication: Implement proper I2C communication protocols for data transfer between the EEPROM and the microcontroller.

4. Address Configuration: Set the address pins A0, A1, and A2 appropriately to avoid conflicts with other devices on the I2C bus.

5. Data Protection: Use the WP pin to prevent accidental overwriting or erasure of important configuration data.

6. Circuit Layout: Design the PCB layout to minimize noise and ensure reliable communication between the EEPROM and the microcontroller.

In summary, the 24AA1025T-I/SN EEPROM is a valuable component for storing and retrieving configuration settings in industrial control systems. By carefully considering its electrical specifications and implementing appropriate communication protocols, designers can effectively utilize this EEPROM for flexible and reliable data storage.

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6. What is the process for return or replacement of 24AA1025T-I/SN?

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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.

(2)We are informed of the defect described above within 90 days after the delivery of 24AA1025T-I/SN.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

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