AT24CS02-MAHM-T

Product Overview

Category

AT24CS02-MAHM-T belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This product is primarily used for non-volatile data storage in various electronic devices such as microcontrollers, sensors, and communication modules.

Characteristics

• Non-volatile: Retains stored data even when power is removed.
• Electrically erasable: Allows for easy modification of stored data.
• Low power consumption: Operates with minimal power requirements.
• Small form factor: Compact size suitable for integration into space-constrained designs.

Package

AT24CS02-MAHM-T is available in a surface mount package. The specific package type may vary depending on the manufacturer.

Essence

The essence of AT24CS02-MAHM-T lies in its ability to store and retrieve digital information reliably, making it an essential component for data storage applications.

Packaging/Quantity

Typically, this product is supplied in reels or tubes, containing a specified quantity of chips per package. The exact packaging and quantity may vary based on the supplier.

Specifications

• Memory capacity: 2 kilobits (256 bytes)
• Interface: I2C (Inter-Integrated Circuit)
• Operating voltage: 1.7V to 5.5V
• Operating temperature range: -40°C to +85°C
• Write endurance: 1 million write cycles
• Data retention: 100 years

Pin Configuration

The AT24CS02-MAHM-T chip has a standard 8-pin configuration:

1. VCC: Power supply voltage
2. SDA: Serial data input/output line
3. SCL: Serial clock input line
4. WP: Write protect pin
5. GND: Ground
6. A0: Address input bit 0
7. A1: Address input bit 1
8. A2: Address input bit 2

Functional Features

• Random access: Allows reading and writing of data at any memory location.
• Byte-level write: Enables modification of individual bytes without affecting the entire memory.
• Hardware write protection: The WP pin can be used to protect the memory from accidental writes.
• Software write protection: Configurable software settings to prevent unauthorized modifications.
• Sequential read mode: Simplifies reading multiple bytes in a continuous sequence.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data integrity even during power loss.
• Easy integration into various electronic devices due to its small form factor.
• Low power consumption prolongs battery life in portable applications.
• High write endurance allows for frequent data updates without degradation.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Slower write speeds compared to volatile memory types.
• Relatively higher cost per byte compared to some alternative memory solutions.

Working Principles

AT24CS02-MAHM-T utilizes an I2C interface to communicate with the host device. It employs a combination of floating gate transistors and control circuitry to store and retrieve digital information. When data is written, charges are trapped in the floating gate, altering the transistor's behavior. These charges can be removed during the erase cycle, allowing the transistor to return to its original state.

Detailed Application Field Plans

AT24CS02-MAHM-T finds applications in various fields, including but not limited to:

1. Internet of Things (IoT) devices: Used for storing configuration data, device identification, and firmware updates.
2. Automotive electronics: Employed for storing critical vehicle parameters, such as mileage, calibration data, and security keys.
3. Industrial automation: Utilized for storing calibration data, sensor configurations, and system parameters.
4. Consumer electronics: Integrated into devices like smartwatches, fitness trackers, and remote controls for data storage purposes.

Detailed and Complete Alternative Models

1. AT24C01A: 1 kilobit (128 bytes) capacity EEPROM chip.
2. AT24C04: 4 kilobits (512 bytes) capacity EEPROM chip.
3. AT24CM02: 2 kilobits (256 bytes) capacity EEPROM chip with additional security features.

These alternative models offer different memory capacities and may have additional features tailored to specific application requirements.

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