AT24C02C-SSHM-B

Product Overview

Category

AT24C02C-SSHM-B belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This product is commonly used for storing and retrieving digital information in various electronic devices.

Characteristics

• Non-volatile memory: The stored data remains intact even when power is removed.
• Electrically erasable: Data can be erased and reprogrammed electronically.
• High storage capacity: The AT24C02C-SSHM-B has a capacity of 2 kilobits (256 bytes).
• Low power consumption: It operates at low voltage levels, making it energy-efficient.
• Small form factor: The chip is compact and suitable for integration into small electronic devices.

Package

The AT24C02C-SSHM-B is available in an 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

This EEPROM chip is designed to provide reliable and non-volatile data storage capabilities for electronic devices.

Packaging/Quantity

The AT24C02C-SSHM-B is typically packaged in reels or tubes, with each containing a specific quantity of chips. The exact packaging and quantity may vary depending on the manufacturer and supplier.

Specifications

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

Detailed Pin Configuration

The AT24C02C-SSHM-B features the following pin configuration:

1. A0: Chip address input pin
2. A1: Chip address input pin
3. A2: Chip address input pin
4. GND: Ground pin
5. SDA: Serial data input/output pin
6. SCL: Serial clock input pin
7. WP: Write protect pin
8. VCC: Supply voltage pin

Functional Features

• Random access: Allows reading and writing of specific memory locations.
• Sequential read: Enables continuous reading of multiple memory locations.
• Write protection: The WP pin can be used to prevent accidental writes to the chip.
• Hardware write protection: A2, A1, and A0 pins can be tied to GND or VCC to set a hardware write protection scheme.

Advantages and Disadvantages

Advantages

• Non-volatile storage: Data remains intact even without power.
• High endurance: Can withstand frequent write cycles.
• Compact size: Suitable for integration into small electronic devices.
• Low power consumption: Energy-efficient operation.

Disadvantages

• Limited storage capacity: 2 kilobits may not be sufficient for certain applications.
• Slower write speed compared to other memory technologies.
• Susceptible to electromagnetic interference (EMI) due to its small form factor.

Working Principles

The AT24C02C-SSHM-B utilizes an electrically erasable floating-gate transistor technology. It stores data by trapping charges in the floating gate, which can be erased or programmed using electrical signals. The stored charge determines the logic state of each memory cell, allowing for reliable data storage and retrieval.

Detailed Application Field Plans

The AT24C02C-SSHM-B is widely used in various electronic devices, including but not limited to:

1. Consumer electronics: Used for storing configuration settings, user preferences, and firmware updates in devices such as TVs, set-top boxes, and audio systems.
2. Automotive industry: Employed in car infotainment systems, instrument clusters, and electronic control units (ECUs) for data storage and retrieval.
3. Industrial automation: Integrated into programmable logic controllers (PLCs), sensors, and data loggers for storing critical information and system parameters.
4. Medical devices: Utilized in medical equipment for storing patient data, calibration settings, and device configurations.

Detailed and Complete Alternative Models

1. AT24C01A-SSHM-T: 1 kilobit EEPROM chip with similar characteristics and package.
2. AT24C04C-SSHM-B: 4 kilobit EEPROM chip with higher storage capacity.
3. AT24C16C-SSHM-B: 16 kilobit EEPROM chip with increased memory size.

These alternative models offer different storage capacities to cater to specific application requirements.

In conclusion, the AT24C02C-SSHM-B is a compact and reliable EEPROM chip that provides non-volatile data storage capabilities for various electronic devices. Its high endurance, low power consumption, and small form factor make it suitable for a wide range of applications in consumer electronics, automotive, industrial automation, and medical devices.