AT25640T2-10TI-1.8

Product Overview

Category

AT25640T2-10TI-1.8 belongs to the category of non-volatile memory devices.

Use

This product is primarily used for storing and retrieving digital information in electronic systems.

Characteristics

• Non-volatile: The stored data is retained even when power is removed.
• High capacity: The AT25640T2-10TI-1.8 offers a storage capacity of 256 kilobits (32 kilobytes).
• Low power consumption: It operates at a low voltage and consumes minimal power.
• Fast access time: The device provides quick access to stored data.
• Reliable: It has a high endurance and can withstand multiple read/write cycles.
• Compact package: The AT25640T2-10TI-1.8 is available in a small form factor package, making it suitable for space-constrained applications.

Package and Quantity

The AT25640T2-10TI-1.8 is packaged in a surface-mount 8-pin SOIC (Small Outline Integrated Circuit) package. It is typically sold in reels containing a specified quantity of units.

Specifications

• Memory Capacity: 256 kilobits (32 kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 1.8V
• Access Time: 20 ns (maximum)
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Up to 100 years
• Endurance: 1 million write cycles

Pin Configuration

The AT25640T2-10TI-1.8 features an 8-pin SOIC package with the following pin configuration:

1. Chip Select (/CS)
2. Serial Clock (SCK)
3. Serial Data Input (SI)
4. Serial Data Output (SO)
5. Write Protect (/WP)
6. Ground (GND)
7. VCC Power Supply
8. Hold (/HOLD)

Functional Features

• Byte and Page-level Read/Write Operations: The device allows reading and writing data at both the byte and page level.
• Sequential Read Mode: It supports sequential read operations, enabling efficient retrieval of consecutive data.
• Software Protection: The AT25640T2-10TI-1.8 offers software write protection to prevent unauthorized modification of stored data.
• Hardware Protection: It includes a write protect pin (/WP) that can be used to disable write operations.
• High-Speed SPI Interface: The Serial Peripheral Interface (SPI) enables fast communication between the memory device and the host system.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data retention even during power loss.
• Compact package size allows for easy integration into various electronic systems.
• Low power consumption makes it suitable for battery-powered devices.
• High endurance and reliability ensure long-term data storage.
• Fast access time facilitates quick data retrieval.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower write speeds compared to some alternative models.
• Vulnerable to physical damage if mishandled or exposed to extreme conditions.

Working Principles

The AT25640T2-10TI-1.8 utilizes electrically erasable programmable read-only memory (EEPROM) technology. It stores data by trapping electrical charges within floating gate transistors. These charges represent binary information, which can be read or modified using appropriate voltage levels. The SPI interface facilitates communication between the memory device and the host system, allowing seamless data transfer.

Detailed Application Field Plans

The AT25640T2-10TI-1.8 is widely used in various applications, including but not limited to:

1. Automotive Electronics: Used for storing configuration data, firmware, and diagnostic information in automotive control units.
2. Consumer Electronics: Employed in devices such as smart TVs, set-top boxes, and gaming consoles for data storage purposes.
3. Industrial Automation: Integrated into programmable logic controllers (PLCs) and industrial control systems to store critical parameters and program code.
4. Medical Devices: Utilized in medical equipment for storing patient data, device settings, and firmware updates.
5. Internet of Things (IoT): Incorporated into IoT devices for data logging, sensor calibration, and firmware storage.

Detailed and Complete Alternative Models

1. AT25SF041-SSHD-T: 4-megabit SPI Serial Flash Memory with similar characteristics and package.
2. AT24C256C-SSHL-T: 256-kilobit I2C-Compatible (2-wire) Serial EEPROM with a different interface but comparable capacity.
3. AT45DB321E-SHN-B: 32-megabit DataFlash Memory with higher capacity and faster write speeds.

These alternative models offer different features and specifications, allowing users to choose the most