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Name: AT24C02D-XHM-T
Brand: Microchip Technology
SKU: AT24C02D-XHM-T
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Microchip Technology AT24C02D-XHM-T

Part No.:: AT24C02D-XHM-T

Manufacturer:: Microchip Technology

Package:: 8-TSSOP (0.173, 4.40mm Width)

Datasheet:: AT24C02D-XHM-T.pdf

Description:: IC EEPROM 2KBIT I2C 1MHZ 8TSSOP

In Stock:: 2865

Quantity:: Add To Cart

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AT24C02D-XHM-T Specifications

Package/Case:
8-TSSOP (0.173, 4.40mm Width)
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:
1 MHz
WriteCycleTime-WordPage:
5ms
AccessTime:
4.5 µs
Voltage-Supply:
1.7V ~ 3.6V
OperatingTemperature:
-40°C ~ 85°C (TC)
MountingType:
Surface Mount

AT24C02D-XHM-T this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including AT24C02D-XHM-T price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for AT24C02D-XHM-T to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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AT24C02D-XHM-T information

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AT24C02D-XHM-T Typical application Circuitry

AT24C02D-XHM-T

The AT24C02D-XHM-T is a useful device for storing little amounts of data that need to be kept safe in power-off situations. It is a 2-Kbit EEPROM (Electrically Erasable Programmable Read-Only Memory). This EEPROM is widely used across a range of applications due to its small size, low power consumption, and I²C (Two-Wire) interface, making it ideal for storing device configurations, calibration data, or user preferences in consumer electronics, medical devices, industrial equipment, and automotive systems.

Application Scenarios and Parameter Features

The AT24C02D-XHM-T features 2 Kbits (256 x 8) of memory, an I²C interface for simple integration, a wide operating voltage range (1.7V to 5.5V), and a write cycle time of 5 ms (maximum). Its small data storage capacity is particularly suited for applications where only a small amount of data needs to be stored reliably for long periods, such as device identification, calibration settings, or user preference storage.

A specific application scenario is its use in a smart wearable device, such as a fitness tracker, for storing user configuration settings and calibration data for various sensors.

Specific Circuit Connection

In this application scenario, here are the detailed circuit connections and considerations for integrating the AT24C02D-XHM-T:

1. Power Supply Connection: The AT24C02D-XHM-T requires a stable power source within its operating voltage range. Ascertain that the GND pin is connected to the system's ground by connecting the VCC pin to a 3.3V supply.

2. I²C Interface Connection: The EEPROM communicates via the I²C bus. Connect the SDA (Serial Data) pin to the microcontroller's SDA pin and the SCL (Serial Clock) pin to the microcontroller's SCL pin. It's essential to add pull-up resistors (typically around 4.7kΩ) on both the SDA and SCL lines to ensure proper operation of the I²C bus.

3. Write Protect (WP) Pin: The WP pin provides a hardware protection mechanism against unintended writes. For applications where data integrity is critical, and accidental overwriting must be prevented, connect the WP pin to a digital output pin on the microcontroller. This setup allows software control over the write protection feature.

4. Address Pins (A0, A1): The AT24C02D-XHM-T includes address pins to set the device address on the I²C bus. For a single EEPROM in the system, these pins can be grounded. If multiple EEPROM devices are used, configure these pins differently to assign each a unique address.

Design Considerations

When designing the circuit, several key factors should be taken into account:

- Power Supply Quality: Ensure the power supply is within the specified voltage range and stable to prevent potential data corruption.

- I²C Bus Configuration: Proper I²C bus configuration, including correct pull-up resistor values and minimal bus length, is crucial to prevent signal degradation and ensure reliable communication.

- Data Integrity Mechanisms: Implementing software mechanisms for data integrity, such as read-back verification or error-checking algorithms, can further safeguard stored data.

- Thermal Considerations: Although the AT24C02D-XHM-T is a low-power device, operating it within the recommended temperature range ensures long-term reliability.

By adhering to these guidelines and detailed circuit connection instructions, integrating the AT24C02D-XHM-T into a smart wearable device or any other application can be achieved effectively, providing a reliable solution for small-scale data storage needs.

AT24C02D-XHM-T FAQ

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6. What is the process for return or replacement of AT24C02D-XHM-T?

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 AT24C02D-XHM-T we delivered, we will accept the replacement or return of the AT24C02D-XHM-T 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 AT24C02D-XHM-T.

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

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