24LC024T-E/ST

Product Overview

Category

The 24LC024T-E/ST belongs to the category of electrically erasable programmable read-only memory (EEPROM) chips.

Use

This chip is commonly used for non-volatile data storage in various electronic devices, such as microcontrollers, computers, and consumer electronics.

Characteristics

• Electrically erasable: The 24LC024T-E/ST can be erased and reprogrammed electronically, making it convenient for updating stored data.
• Non-volatile: The chip retains its stored data even when power is removed.
• Low power consumption: It operates at low voltage levels, minimizing energy usage.
• High reliability: The EEPROM technology ensures reliable data storage and retrieval.
• Small form factor: The chip is available in a compact package, suitable for space-constrained applications.

Package and Quantity

The 24LC024T-E/ST is typically packaged in a small surface-mount package (ST). The exact dimensions and pin configuration are detailed below. It is commonly sold in reels or tubes containing multiple units.

Specifications

• Memory capacity: 2 kilobits (256 bytes)
• Operating voltage: 1.7V to 5.5V
• Operating temperature range: -40°C to +85°C
• Write endurance: 1 million write cycles
• Data retention: Up to 200 years

Pin Configuration

The 24LC024T-E/ST has a total of 8 pins arranged as follows:

```

---

| | | U | |___________|

Pin Configuration: 1. VSS: Ground 2. SDA: Serial Data Input/Output 3. SCL: Serial Clock Input 4. WP: Write Protect 5. VCC: Power Supply 6. A0: Chip Address Bit 0 7. A1: Chip Address Bit 1 8. NC: No Connection ```

Functional Features

• Serial interface: The chip communicates using a two-wire serial interface (SDA and SCL) compatible with I2C protocol.
• Write protection: The WP pin allows for hardware write protection, preventing accidental modification of stored data.
• Self-timed programming cycle: The chip automatically manages the timing of write and erase operations, simplifying integration into systems.
• Sequential read operation: Multiple bytes can be read in sequence without requiring repeated address transmissions.

Advantages and Disadvantages

Advantages: - Compact size and low power consumption make it suitable for portable devices. - High reliability ensures data integrity. - Easy integration due to standard serial interface and self-timed programming cycle.

Disadvantages: - Limited storage capacity compared to other memory technologies. - Slower write and erase times compared to some alternative models.

Working Principles

The 24LC024T-E/ST utilizes EEPROM technology, which stores data by trapping electric charges within a floating gate transistor. To write or erase data, an electric field is applied to the floating gate, modifying the charge level and thus altering the stored information. The chip's internal circuitry manages these operations based on commands received through the serial interface.

Application Field Plans

The 24LC024T-E/ST finds applications in various fields, including but not limited to: - Embedded systems - Industrial automation - Automotive electronics - Smart home devices - Medical equipment

Alternative Models

Some alternative models that offer similar functionality to the 24LC024T-E/ST include: - AT24C02C - CAT24C02 - M24C02-WMN6TP - ST24C02BN6

These models have comparable specifications and pin configurations, allowing for easy substitution based on specific project requirements.

In conclusion, the 24LC024T-E/ST is a compact and reliable EEPROM chip used for non-volatile data storage in various electronic devices. Its small form factor, low power consumption, and standard serial interface make it suitable for a wide range of applications. While it has some limitations in terms of storage capacity and write/erase times, alternative models with similar functionality are available to meet specific project needs.