24LC08BT/SN

Product Overview

Category

The 24LC08BT/SN 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

• Non-volatile: The 24LC08BT/SN retains stored data even when power is removed.
• Electrically erasable: Data can be erased and reprogrammed electronically.
• High storage capacity: This chip has a storage capacity of 8 kilobits (1 kilobyte).
• Low power consumption: It operates at low power levels, making it suitable for battery-powered devices.

Package

The 24LC08BT/SN is available in an 8-pin small outline integrated circuit (SOIC) package.

Essence

The essence of the 24LC08BT/SN lies in its ability to store and retrieve data reliably, even in the absence of power. It offers a compact and efficient solution for non-volatile memory requirements in electronic systems.

Packaging/Quantity

This chip is typically sold in reels or tubes, with each reel or tube containing a specific quantity of 24LC08BT/SN chips. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Memory Capacity: 8 kilobits (1 kilobyte)
• Interface: I2C (Inter-Integrated Circuit)
• Supply Voltage: 1.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Write Endurance: 1,000,000 cycles
• Data Retention: 200 years

Detailed Pin Configuration

The 24LC08BT/SN has 8 pins, each serving a specific function:

1. VCC: Power supply voltage input
2. SDA: Serial data input/output for I2C communication
3. SCL: Serial clock input for I2C communication
4. WP: Write Protect pin to enable/disable write operations
5. A0: Address bit 0 for device addressing
6. A1: Address bit 1 for device addressing
7. A2: Address bit 2 for device addressing
8. GND: Ground reference

Functional Features

• Random access: Allows reading and writing of individual memory locations.
• Byte-level erase and write: Enables modification of specific data bytes without affecting the entire memory.
• Hardware write protection: The WP pin can be used to protect the memory from accidental writes.
• I2C interface: Supports easy integration with microcontrollers and other devices using the widely adopted I2C protocol.

Advantages and Disadvantages

Advantages

• Non-volatile storage: Data remains intact even during power loss or system shutdown.
• High endurance: Can withstand frequent write cycles without degradation.
• Compact size: The small form factor makes it suitable for space-constrained applications.
• Low power consumption: Operates efficiently, extending battery life in portable devices.

Disadvantages

• Limited storage capacity: With only 8 kilobits, it may not be sufficient for applications requiring large amounts of data storage.
• Relatively slow write speed: EEPROMs generally have slower write times compared to other memory technologies.

Working Principles

The 24LC08BT/SN utilizes an electrically erasable floating-gate transistor structure to store data. When a byte of data needs to be written, an electrical charge is applied to the floating gate, altering its threshold voltage. This change in threshold voltage represents the stored data. Reading the data involves measuring the threshold voltage and interpreting it as binary information.

Detailed Application Field Plans

The 24LC08BT/SN finds applications in various fields, including:

1. Embedded Systems: Used for storing configuration data, firmware updates, and user settings in microcontroller-based systems.
2. Industrial Automation: Enables storage of calibration data, sensor readings, and system parameters in industrial control systems.
3. Consumer Electronics: Utilized for storing user preferences, log data, and firmware updates in devices like smart TVs, set-top boxes, and audio equipment.
4. Automotive Electronics: Used for storing critical data such as mileage, fault codes, and configuration settings in automotive electronic control units (ECUs).
5. Medical Devices: Enables storage of patient data, device configurations, and firmware updates in medical equipment.

Detailed and Complete Alternative Models

Some alternative models to the 24LC08BT/SN include:

1. 24LC16B/SN: A similar EEPROM chip with double the storage capacity (16 kilobits).
2. 24LC32A/SN: Offers even higher storage capacity (32 kilobits) while maintaining compatibility with the I2C interface.
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