AT25040N-10SI-2.7

Product Overview

Category

AT25040N-10SI-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 AT25040N-10SI-2.7 retains data even when power is removed.
• High endurance: It can withstand a large number of read and write cycles.
• Small form factor: The chip is compact and suitable for space-constrained applications.
• Low power consumption: It operates efficiently with minimal power requirements.

Package

The AT25040N-10SI-2.7 is typically available in an 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of this product lies in its ability to provide reliable and non-volatile storage for electronic devices, ensuring data integrity even during power loss or system shutdowns.

Packaging/Quantity

The AT25040N-10SI-2.7 is commonly sold in reels containing multiple units. The exact quantity may vary depending on the manufacturer and supplier.

Specifications

• Memory capacity: 4 kilobits (512 bytes)
• Operating voltage: 2.7V to 5.5V
• Interface: Serial Peripheral Interface (SPI)
• Maximum clock frequency: 10 MHz
• Write endurance: 1 million cycles
• Data retention: 100 years

Detailed Pin Configuration

The AT25040N-10SI-2.7 has the following pin configuration:

1. Chip Select (/CS)
2. Serial Clock (SCK)
3. Serial Data Input (SI/MOSI)
4. Serial Data Output (SO/MISO)
5. Write Protect (/WP)
6. Ground (GND)
7. VCC (+2.7V to +5.5V)
8. Not Connected (NC)

Functional Features

• Byte-level Read/Write: Allows individual bytes to be read from or written to the memory.
• Sequential Read: Supports continuous reading of multiple bytes without the need for repeated address input.
• Write Protection: The /WP pin can be used to protect the memory from accidental writes.
• Software and Hardware Write Protection: Provides flexibility in implementing write protection mechanisms.
• Self-timed Erase and Write Cycles: Simplifies programming operations by eliminating the need for external timing control.

Advantages and Disadvantages

Advantages

• Non-volatile storage ensures data integrity during power loss.
• High endurance allows for frequent read and write operations.
• Small form factor enables integration into compact electronic devices.
• Low power consumption prolongs battery life in portable applications.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower write speeds compared to volatile memory types.
• Susceptible to electromagnetic interference and static electricity.

Working Principles

The AT25040N-10SI-2.7 utilizes EEPROM technology, which allows for electrically erasing and reprogramming of data. It stores information in a grid of memory cells, each containing a floating-gate transistor. By applying specific voltage levels, data can be written or erased from these cells. The Serial Peripheral Interface (SPI) provides the communication protocol between the chip and the host device.

Detailed Application Field Plans

The AT25040N-10SI-2.7 finds application in various fields, including: 1. Automotive electronics: Used for storing configuration data, mileage records, and fault codes. 2. Industrial automation: Enables parameter storage, calibration data, and firmware updates. 3. Consumer electronics: Utilized for storing user preferences, settings, and firmware updates in devices like smart TVs and home appliances. 4. Medical devices: Stores patient data, device configurations, and calibration information.

Detailed and Complete Alternative Models

1. AT25080N-10SI-2.7: Similar to AT25040N-10SI-2.7 but with double the memory capacity (8 kilobits).
2. AT25160N-10SI-2.7: Offers increased storage capacity of 16 kilobits.
3. AT25320N-10SI-2.7: Provides even higher capacity of 32 kilobits.

These alternative models offer expanded memory options while maintaining compatibility with the same interface and package.

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