AT25640N-10SI-2.7

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Non-volatile Serial EEPROM Memory
• Characteristics: High-speed, low-power, small form factor
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Stores and retrieves digital information in electronic systems
• Packaging/Quantity: Available in tape and reel packaging, quantity varies based on customer requirements

Specifications

• Memory Size: 64 Kilobits (8 Kilobytes)
• Operating Voltage: 2.7 to 5.5 Volts
• Operating Temperature: -40°C to +85°C
• Interface: Serial Peripheral Interface (SPI)
• Write Endurance: 1 Million cycles
• Data Retention: 100 Years
• Organization: 8,192 x 8 bits
• Clock Frequency: Up to 10 MHz

Detailed Pin Configuration

The AT25640N-10SI-2.7 IC has a total of 8 pins arranged as follows:

┌───┬───┐ │ 1 │ 8 │ ├───┼───┤ │ 2 │ 7 │ ├───┼───┤ │ 3 │ 6 │ ├───┼───┤ │ 4 │ 5 │ └───┴───┘

1. Chip Select (/CS): Enables communication with the IC when set to low.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Transmits data from the microcontroller to the IC.
4. Ground (GND): Common reference voltage.
5. Serial Data Output (SO): Transmits data from the IC to the microcontroller.
6. Write Protect (/WP): When set to low, protects the memory from being written.
7. Hold (/HOLD): Pauses ongoing operations when set to low.
8. Power Supply (VCC): Operating voltage for the IC.

Functional Features

• Non-volatile memory: Retains data even when power is disconnected.
• High-speed operation: Allows for quick read and write access.
• Low-power consumption: Ideal for battery-powered devices.
• SPI interface: Enables easy integration with microcontrollers.
• Write protection: Safeguards against accidental data modification.
• Hold function: Temporarily suspends ongoing operations.

Advantages and Disadvantages

Advantages: - Compact size and lightweight. - Wide operating voltage range. - High data retention period. - Easy integration with microcontrollers. - Suitable for various applications.

Disadvantages: - Limited storage capacity compared to other memory options. - Relatively slower write speed compared to some alternatives. - Vulnerable to electromagnetic interference.

Working Principles

The AT25640N-10SI-2.7 is based on EEPROM (Electrically Erasable Programmable Read-Only Memory) technology. It utilizes a floating gate transistor structure to store and retrieve digital information. The memory cells can be electrically programmed and erased, allowing for non-volatile data storage. The IC communicates with a microcontroller through the SPI interface, enabling efficient data transfer.

Detailed Application Field Plans

The AT25640N-10SI-2.7 IC finds applications in various electronic systems, including but not limited to: 1. Automotive electronics: Used for storing configuration data, mileage records, and error codes in automotive control units. 2. Consumer electronics: Employed in smart TVs, set-top boxes, and gaming consoles for firmware storage and system configuration. 3. Industrial automation: Utilized in programmable logic controllers (PLCs) for storing program code, parameter settings, and data logging. 4. Medical devices: Used for storing patient data, device configurations, and calibration information in medical equipment. 5. Internet of Things (IoT): Integrated into IoT devices for storing sensor data, device identification, and firmware updates.

Detailed and Complete Alternative Models

1. AT25080AN-10SU-2.7: 8 Kilobit SPI Serial EEPROM, SOIC package, 2.7 to 5.5V operating voltage.
2. AT25256A-10PU-2.7: 256 Kilobit SPI Serial EEPROM, DIP package, 2.7 to 5.5V operating voltage.
3. AT25128AN-10SI-2.7: 128 Kilobit SPI Serial EEPROM, SOIC package, 2.7 to 5.5V operating voltage.
4. AT25320B-10TU-2.7: 32 Kilobit SPI Serial EEPROM