AT24CM02-SSHM-B

Product Overview

Category

AT24CM02-SSHM-B belongs to the category of non-volatile memory integrated circuits.

Use

This product is primarily used for data storage in various electronic devices such as microcontrollers, embedded systems, and consumer electronics.

Characteristics

• Non-volatile: The stored data is retained even when power is removed.
• High capacity: The AT24CM02-SSHM-B has a storage capacity of 2 megabits (256 kilobytes).
• Low power consumption: It operates at low voltage and consumes minimal power.
• Fast access time: The device provides quick read and write operations.
• Reliable: It offers high endurance and data retention capabilities.
• I2C interface: The AT24CM02-SSHM-B communicates using the I2C protocol.

Package

The AT24CM02-SSHM-B is available in a small surface-mount package, making it suitable for compact electronic designs.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile data storage in a compact form factor.

Packaging/Quantity

The AT24CM02-SSHM-B is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Storage Capacity: 2 Megabits (256 Kilobytes)
• Interface: I2C
• Supply Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Up to 100 years
• Endurance: 1 million write cycles

Detailed Pin Configuration

The AT24CM02-SSHM-B has a standard 8-pin configuration:

1. VCC: Power supply input
2. GND: Ground connection
3. SDA: Serial data line for I2C communication
4. SCL: Serial clock line for I2C communication
5. WP: Write Protect pin for hardware protection
6. A0: Address bit 0 for device addressing
7. A1: Address bit 1 for device addressing
8. NC: No connection (reserved)

Functional Features

• Random access: Allows reading and writing of data at any memory location.
• Page write mode: Enables efficient programming of multiple bytes in a single operation.
• Software write protection: Provides software-controlled protection against accidental writes.
• Sequential read mode: Facilitates fast consecutive reads of data.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data retention even during power loss.
• High endurance allows frequent write operations without compromising reliability.
• Compact package size enables integration into space-constrained designs.
• Low power consumption prolongs battery life in portable devices.

Disadvantages

• Limited storage capacity compared to other memory options.
• Slower write speed compared to volatile memory technologies.
• Reliance on I2C interface may limit compatibility with certain systems.

Working Principles

The AT24CM02-SSHM-B utilizes electrically erasable programmable read-only memory (EEPROM) technology. It stores data by trapping charges within floating gate transistors, which can be electrically modified to represent binary values. The I2C interface facilitates communication between the device and the host microcontroller, enabling read and write operations.

Detailed Application Field Plans

The AT24CM02-SSHM-B finds applications in various fields, including:

1. Internet of Things (IoT) devices: Used for storing configuration data, firmware updates, and sensor readings.
2. Automotive electronics: Employed for storing vehicle settings, error codes, and calibration data.
3. Industrial automation: Utilized for storing machine parameters, production data, and log files.
4. Consumer electronics: Integrated into devices like smartwatches, cameras, and home appliances for data storage.

Detailed and Complete Alternative Models

1. AT24CM01-SSHM-B: A similar product with half the storage capacity (1 Megabit).
2. AT24CM04-SSHM-B: A higher-capacity alternative with 4 Megabits of storage (512 Kilobytes).
3. AT24CM08-SSHM-B: Offers even greater storage capacity with 8 Megabits (1 Megabyte).

These alternative models provide options to suit different memory requirements in various applications.

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