25AA040XT/ST

Product Overview

Category:

The 25AA040XT/ST belongs to the category of serial electrically erasable programmable read-only memory (EEPROM) chips.

Use:

It is commonly used for non-volatile data storage in various electronic devices such as microcontrollers, sensors, and other embedded systems.

Characteristics:

• Non-volatile memory
• Serial interface
• Electrically erasable and reprogrammable
• Low power consumption

Package:

The 25AA040XT/ST is available in a small form factor package, typically in surface mount technology (SMT) packages.

Essence:

The essence of this product lies in its ability to store data reliably without the need for continuous power supply.

Packaging/Quantity:

The 25AA040XT/ST is usually packaged in reels or tubes, with quantities varying based on the manufacturer's specifications.

Specifications

• Memory Size: 4 Kbits
• Interface: SPI (Serial Peripheral Interface)
• Operating Voltage: 1.8V 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 25AA040XT/ST typically has 8 pins, including power supply, ground, and SPI communication pins. The specific pin configuration can be found in the product datasheet provided by the manufacturer.

Functional Features

• Sequential read and write operations
• Software and hardware write protection
• Flexible erase capability
• Multiple device compatibility

Advantages

• Low power consumption
• Small form factor
• High reliability and endurance
• Ease of integration with microcontrollers

Disadvantages

• Limited storage capacity compared to other memory technologies
• Slower write speeds compared to some alternative memory solutions

Working Principles

The 25AA040XT/ST operates based on the principles of EEPROM technology, where data is stored and retrieved using electrical signals through the SPI interface. When data needs to be updated, the chip allows for selective erasing and rewriting of specific memory locations.

Detailed Application Field Plans

The 25AA040XT/ST finds applications in various fields such as: - Automotive electronics - Industrial control systems - Consumer electronics - Medical devices - Internet of Things (IoT) devices

Detailed and Complete Alternative Models

Some alternative models to the 25AA040XT/ST include: - 25LC040 - 24AA04 - AT2504

In conclusion, the 25AA040XT/ST is a versatile EEPROM chip that offers reliable non-volatile data storage for a wide range of electronic applications, making it an essential component in modern embedded systems.

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