AT34C02D-SSHM-B

Product Overview

Category

AT34C02D-SSHM-B belongs to the category of electronic memory devices.

Use

This product is primarily used for data storage and retrieval in various electronic systems.

Characteristics

• Non-volatile memory: The AT34C02D-SSHM-B retains stored data even when power is disconnected.
• Low power consumption: This device operates efficiently, consuming minimal power.
• High storage capacity: The AT34C02D-SSHM-B can store up to 2 kilobits (256 bytes) of data.
• I2C interface: It utilizes the Inter-Integrated Circuit (I2C) protocol for communication with other devices.
• Small form factor: The package size of this product is compact, making it suitable for space-constrained applications.

Package and Quantity

The AT34C02D-SSHM-B is available in a surface-mount package. It is typically sold in reels or trays containing multiple units.

Specifications

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

Detailed Pin Configuration

The AT34C02D-SSHM-B has a total of 8 pins, which are assigned specific functions:

1. VCC: Power supply input
2. GND: Ground connection
3. SDA: Serial Data Line (I2C)
4. SCL: Serial Clock Line (I2C)
5. WP: Write Protect pin
6. A0: Address bit 0
7. A1: Address bit 1
8. A2: Address bit 2

Functional Features

• Random Access: The AT34C02D-SSHM-B allows for direct access to any stored data, enabling efficient retrieval.
• Byte Write and Read: It supports individual byte-level read and write operations, providing flexibility in data manipulation.
• Hardware Write Protection: The WP pin can be used to protect the memory from accidental writes, ensuring data integrity.
• Sequential Read: This device enables sequential reading of multiple bytes, reducing the overhead of repeated address transmissions.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• Low power consumption extends battery life in portable devices.
• Compact package size facilitates integration into space-constrained designs.
• High storage capacity for a wide range of applications.
• I2C interface allows for easy communication with other devices.

Disadvantages

• Limited storage capacity compared to higher-capacity memory devices.
• Slower data transfer rate compared to some other memory technologies.
• Vulnerable to electromagnetic interference due to its small form factor.

Working Principles

The AT34C02D-SSHM-B utilizes electrically erasable programmable read-only memory (EEPROM) technology. It stores data by trapping electrical charges within floating gate transistors. These charges represent binary information that can be read or modified using appropriate voltage levels. The I2C interface facilitates communication between the AT34C02D-SSHM-B and the host system, allowing for seamless data transfer.

Detailed Application Field Plans

The AT34C02D-SSHM-B finds application in various electronic systems, including but not limited to: - Consumer electronics: Used for storing configuration settings, user preferences, and small data sets in devices such as smartphones, tablets, and digital cameras. - Industrial automation: Employed in control systems, sensors, and data loggers to store critical information and enable system operation. - Automotive electronics: Integrated into vehicle systems for storing calibration data, fault codes, and other essential information. - Medical devices: Utilized in medical equipment for storing patient data, device settings, and firmware updates.

Detailed and Complete Alternative Models

1. AT24C02: Similar to the AT34C02D-SSHM-B, this model offers 2 kilobits of storage capacity and uses the I2C interface. However, it operates at a higher voltage range (2.7V to 5.5V).
2. CAT24C02: This alternative model also provides 2 kilobits of memory capacity and supports the I2C interface. It operates at a lower voltage range (1.8V to 5.5V) compared to the AT34C02D-SSHM-B.

These alternative models can be considered based on specific application requirements and compatibility with existing systems.

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