24LC1026-E/ST

Product Overview

Category

The 24LC1026-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 24LC1026-E/ST allows for easy erasure and reprogramming of data.
• Non-volatile: The stored data remains intact even when power is removed.
• High storage capacity: This chip has a capacity of 1,048,576 bits or 128 kilobytes.
• Low power consumption: It operates at low voltage levels, making it energy-efficient.
• Fast data transfer: The chip supports high-speed I2C communication protocol.

Package

The 24LC1026-E/ST is available in a small surface-mount package (ST), which ensures compactness and ease of integration into electronic circuits.

Essence

The essence of the 24LC1026-E/ST lies in its ability to provide reliable and non-volatile data storage in a compact form factor.

Packaging/Quantity

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

Specifications

• Memory capacity: 1,048,576 bits (128 kilobytes)
• Operating voltage: 1.7V to 5.5V
• Communication protocol: I2C
• Maximum clock frequency: 400 kHz
• Write endurance: 1,000,000 cycles
• Data retention: Up to 200 years
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The 24LC1026-E/ST chip has a total of 8 pins, each serving a specific function:

1. VCC: Power supply input
2. SDA: Serial data input/output for I2C communication
3. SCL: Serial clock input for I2C communication
4. WP: Write protect pin (optional)
5. A0, A1, A2: Address selection pins for device addressing
6. GND: Ground connection

Functional Features

• Random access: The chip allows for random access to any memory location, enabling efficient data retrieval.
• Page write capability: It supports page write operations, allowing multiple bytes of data to be written in a single operation.
• Software write protection: The WP pin can be used to enable or disable write operations, providing additional security for stored data.
• Hardware write protection: The chip also supports hardware-based write protection by connecting the WP pin to VCC or GND.

Advantages and Disadvantages

Advantages

• High storage capacity for its compact size
• Low power consumption
• Fast data transfer rate
• Long data retention period
• Easy integration into electronic circuits

Disadvantages

• Limited write endurance compared to some other non-volatile memory technologies
• Requires an external microcontroller or interface for data read/write operations

Working Principles

The 24LC1026-E/ST utilizes EEPROM technology, which allows for electrically erasing and reprogramming of data. It stores data in a grid of memory cells that can be individually addressed and modified. The chip uses the I2C communication protocol to interface with a microcontroller or other devices, enabling seamless data transfer.

Detailed Application Field Plans

The 24LC1026-E/ST finds applications in various fields, including but not limited to: - Embedded systems - Automotive electronics - Industrial control systems - Consumer electronics - Medical devices

Detailed and Complete Alternative Models

Some alternative models to the 24LC1026-E/ST include: - 24LC1025: Similar to the 24LC1026-E/ST but with a lower storage capacity of 1,048,576 bits (128 kilobytes) - 24LC1024: A lower capacity variant with 524,288 bits (64 kilobytes) of storage - 24LC1026-I/ST: An industrial-grade version of the chip with extended temperature range (-40°C to +125°C)

These alternative models offer different storage capacities or operating temperature ranges to suit specific application requirements.

In conclusion, the 24LC1026-E/ST is a versatile EEPROM chip that provides reliable non-volatile data storage in a compact package. With its high storage capacity, low power consumption, and fast data transfer rate, it finds applications in various fields. While it has limitations in terms of write endurance and external interface requirement, it remains a popular choice for many electronic devices.