11AA02E48T-I/TT

EEPROM UNI/O Serial 2K-bit 256 x 8 2.5V/3.3V/5V Automotive AEC-Q100 3-Pin SOT-23 T/R
5,883 Effective Inventory

11AA02E48T-I/TT

Effective Inventory5,883

EEPROM UNI/O Serial 2K-bit 256 x 8 2.5V/3.3V/5V Automotive AEC-Q100 3-Pin SOT-23 T/R

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11AA02E48T-I/TT DataSheet
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11AA02E48T-I/TT Details

The 11AA02E48T-I/TT is a serial EEPROM with a 2Kbit memory size, suitable for applications where non-volatile memory storage is needed, such as in industrial control systems, communication equipment, consumer electronics, and automotive applications. This device offers high reliability and low power consumption, making it ideal for use in various electronic devices.

Pinout

  • VCC (1): Positive Power Supply
  • GND (2): Ground
  • SCL (3): Serial Clock Input
  • SDA (4): Serial Data Input/Output
  • WP (5): Write Protect
  • BVCC (6): Backward Voltage Supply

Key Features

  • 2Kbit Memory Size: Provides sufficient storage for various applications.
  • Serial Interface: Supports communication protocols such as I2C and SPI.
  • Low Power Consumption: Enables extended battery life or reduced power consumption in portable devices.
  • High Reliability: Ensures reliable data storage and retrieval in demanding environments.

Applications

  • Industrial Control Systems: Suitable for industrial control systems requiring non-volatile memory storage.
  • Communication Equipment: Ideal for communication equipment, such as routers and switches, that require serial EEPROMs.
  • Consumer Electronics: Can be used in consumer electronics, like smart home devices and appliances, where low power consumption is essential.
  • Automotive Systems: Suitable for automotive systems, such as infotainment systems and vehicle control units, that require high reliability and low power consumption.

Where to Use

The 11AA02E48T-I/TT is suitable for applications where non-volatile memory storage is required, such as in industrial control systems, communication equipment, consumer electronics, and automotive systems.

How to Use

To use the 11AA02E48T-I/TT, connect the VCC pin to a positive power supply, GND to ground, SCL to the serial clock input, SDA to the serial data input/output, WP to the write protect pin, and BVCC to the backward voltage supply. Ensure proper communication protocol setup for I2C or SPI interfaces.

Application Circuit

The application circuit diagram for the 11AA02E48T-I/TT illustrates how to connect the serial EEPROM to a microcontroller or other devices using the I2C or SPI interface. It includes connections for power supply, ground, and communication bus lines, ensuring proper operation and reliable data transmission.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

  • 24C02: A similar serial EEPROM from Microchip Technology offering comparable features and performance.
  • M24C02: An alternative serial EEPROM from STMicroelectronics with equivalent functionality.

Complementary

The 11AA02E48T-I/TT can be complemented by the 25AA256, which offers higher memory capacity and similar features for more demanding applications.

When selecting complementary devices, ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.

Frequently Asked Questions

Q: What is the maximum operating temperature of the 11AA02E48T-I/TT?

A: The 11AA02E48T-I/TT operates within a temperature range of -40°C to +85°C.

Q: Can the 11AA02E48T-I/TT be used in automotive applications?

A: Yes, the 11AA02E48T-I/TT is suitable for use in automotive systems that require high reliability and low power consumption.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Part Number 11AA02E48T-I/TT Memory Capacity 2 Kilobits (256 Bytes)
Interface I2C (Two-Wire) Package Type SOT-23-5
Operating Voltage 1.7V to 5.5V Write Cycle Time 5 ms (Maximum)
Operating Temperature Range ! -40°C to +85°C Manufacturer Microchip Technology Inc.

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification 11AA02E48T-I/TT PDF Download

FAQs

What is 11AA02E48T-I/TT?

The 11AA02E48T-I/TT is a 2 Kb I2C serial electrically erasable PROM (EEPROM) memory chip manufactured by Microchip Technology. It is commonly used in applications where non-volatile memory storage is required, such as storing configuration data, calibration values, and small amounts of program data.

How Does 11AA02E48T-I/TT Work?

The 11AA02E48T-I/TT works by storing and retrieving digital data in a non-volatile memory array. It communicates with a microcontroller or other devices via the I2C serial interface, allowing for easy integration into various systems. The EEPROM memory can be written to and read from multiple times, making it suitable for data storage applications.

How Many Pins does 11AA02E48T-I/TT have and What are the Functions of the Pinout Configuration?

The 11AA02E48T-I/TT is housed in an 8-lead TDFN (Thin Dual Flat No-Lead) package. The pinout configuration includes:

  • A0, A1: Address input pins for device addressing.
  • VSS: Ground pin.
  • SCL, SDA: I2C serial communication interface pins.
  • WP: Write-protect pin to control write operations.
  • VCC: Power supply pin.

What are the Pros and Cons of 11AA02E48T-I/TT?

Pros:

  • Non-Volatile Storage: Retains data even when power is removed.
  • Small Footprint: TDFN package is space-saving and suitable for compact designs.
  • Easy Integration: Communicates over the widely used I2C interface.
  • Multiple Write Cycles: Can be reprogrammed multiple times without degradation.

Cons:

  • Limited Storage Capacity: 2 Kb may be insufficient for applications requiring large data storage.
  • Write Time: EEPROM write operations are slower compared to other types of memory.
  • Endurance Limit: Limited number of write cycles before memory degradation.

Are There Any Equivalents/Alternatives to 11AA02E48T-I/TT for Recommendation?

  • The 24AA02E48 from Microchip Technology is a similar 2 Kb I2C EEPROM.
  • Alternatives to the 11AA02E48T-I/TT include the CAT24C02 from ON Semiconductor and the AT24C02 from Microchip Technology.

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