25LC128-E/SN

Product Overview

Category: Integrated Circuits (ICs)

Use: The 25LC128-E/SN is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) that provides non-volatile storage of data. It is commonly used in various electronic devices for storing configuration settings, calibration data, and other small amounts of information.

Characteristics: - Low power consumption - High reliability - Small form factor - Wide operating voltage range - Fast write and read operations

Package: The 25LC128-E/SN is available in an 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence: This IC is designed to offer reliable and non-volatile data storage in a compact package, making it suitable for applications where space is limited.

Packaging/Quantity: The 25LC128-E/SN is typically sold in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Memory Size: 128 kilobits (16 kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage Range: 2.5V to 5.5V
• Write Endurance: 1,000,000 cycles
• Data Retention: 200 years
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The 25LC128-E/SN has the following pin configuration:

1. Chip Select (/CS)
2. Serial Clock (SCK)
3. Serial Data Input/Output (SI/O)
4. Ground (GND)
5. Write Protect (/WP)
6. Hold (/HOLD)
7. VCC (Power Supply)
8. Not Connected (NC)

Functional Features

• Byte-level read and write operations
• Sequential read and write operations
• Software write protection
• Hardware write protection using the /WP pin
• Deep power-down mode for low-power applications
• Self-timed programming cycle

Advantages and Disadvantages

Advantages: - Low power consumption makes it suitable for battery-powered devices - High reliability ensures data integrity - Small form factor saves space in compact designs - Wide operating voltage range allows compatibility with various systems - Fast write and read operations enhance overall system performance

Disadvantages: - Limited storage capacity (128 kilobits) may not be sufficient for certain applications requiring larger memory sizes - Lack of built-in security features, such as encryption or authentication, may limit its use in sensitive applications

Working Principles

The 25LC128-E/SN operates based on the principles of EEPROM technology. It utilizes an array of floating-gate transistors to store data. The stored information can be electrically erased and reprogrammed using specific commands sent through the SPI interface.

Detailed Application Field Plans

The 25LC128-E/SN finds application in a wide range of electronic devices, including but not limited to: - Consumer electronics (e.g., TVs, set-top boxes, remote controls) - Automotive electronics (e.g., infotainment systems, engine control units) - Industrial equipment (e.g., sensors, control systems) - Medical devices (e.g., patient monitoring systems, diagnostic equipment) - Communication devices (e.g., routers, modems)

Detailed and Complete Alternative Models

• AT25080A-10PU-2.7: 8-kilobit SPI Serial EEPROM
• CAT24C256WI-GT3: 256-kilobit I2C Serial EEPROM
• M93C86-WMN6TP: 16-kilobit Microwire Serial EEPROM
• 24AA128-I/P: 128-kilobit I2C Serial EEPROM

These alternative models offer similar functionality and can be considered as replacements for the 25LC128-E/SN, depending on specific requirements and compatibility with the target system.

In conclusion, the 25LC128-E/SN is a reliable and compact serial EEPROM that provides non-volatile data storage. Its low power consumption, high reliability, and fast operation make it suitable for various electronic applications. However, its limited storage capacity and lack of built-in security features should be taken into consideration when selecting this IC for specific projects.