AT25040AN-10SU-2.7

Product Overview

Category

AT25040AN-10SU-2.7 belongs to the category of Serial EEPROM (Electrically Erasable Programmable Read-Only Memory) chips.

Use

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

Characteristics

• Non-volatile memory: The data stored in AT25040AN-10SU-2.7 is retained even when power is removed.
• Electrically erasable: The memory can be erased and reprogrammed electrically, without requiring a separate UV light source.
• High endurance: The chip supports a high number of write/erase cycles, ensuring long-term reliability.
• Low power consumption: AT25040AN-10SU-2.7 operates at low voltage levels, making it suitable for battery-powered devices.
• Small form factor: The chip is available in a compact package, allowing for easy integration into various circuit designs.

Package and Quantity

AT25040AN-10SU-2.7 is typically packaged in a small surface-mount SOIC (Small Outline Integrated Circuit) package. It is commonly sold in reels or tubes containing multiple units.

Specifications

• Memory capacity: 4 kilobits (512 bytes)
• Operating voltage: 2.7V to 5.5V
• Interface: SPI (Serial Peripheral Interface)
• Operating temperature range: -40°C to +85°C
• Write endurance: 1 million cycles
• Data retention: 100 years

Pin Configuration

The pin configuration of AT25040AN-10SU-2.7 is as follows:

┌───┬───┐ │ 1 │ 8 │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ └───┴───┘

Functional Features

• Byte-level read and write operations: AT25040AN-10SU-2.7 allows individual bytes to be read from or written to the memory.
• Sequential read mode: The chip supports sequential read operations, enabling faster access to consecutive memory locations.
• Write protection: Certain memory areas can be protected from accidental writes using software or hardware methods.
• Software write enable/disable: The write enable/disable feature allows software control over write operations.

Advantages

• Compact size and low power consumption make it suitable for portable devices.
• High endurance ensures reliable data storage in demanding applications.
• Electrically erasable nature allows for easy reprogramming without additional equipment.
• Wide operating voltage range provides flexibility in various electronic systems.

Disadvantages

• Limited memory capacity compared to other EEPROM options.
• Relatively slower write speeds compared to some newer non-volatile memory technologies.

Working Principles

AT25040AN-10SU-2.7 utilizes a floating gate transistor structure to store data. When a byte is programmed, charge is trapped in the floating gate, representing a logical "1." Erasing the byte removes the charge, resulting in a logical "0." The stored charge is detected during read operations.

Application Field Plans

AT25040AN-10SU-2.7 finds applications in various fields, including: - Embedded systems - Automotive electronics - Industrial control systems - Smart meters - Medical devices

Alternative Models

Other alternative models with similar functionality include: - AT25080AN-10SU-2.7 (8 kilobits) - AT25160AN-10SU-2.7 (16 kilobits) - AT25320AN-10SU-2.7 (32 kilobits)

In conclusion, AT25040AN-10SU-2.7 is a compact and reliable Serial EEPROM chip with 4 kilobits of memory capacity. Its electrically erasable nature, low power consumption, and high endurance make it suitable for various electronic applications. However, its limited memory capacity and relatively slower write speeds should be considered when choosing an EEPROM solution.