AT25640AY1-10YI-2.7

Product Overview

Category

AT25640AY1-10YI-2.7 belongs to the category of non-volatile memory integrated circuits.

Use

This product is primarily used for data storage in various electronic devices and systems.

Characteristics

• Non-volatile: The stored data is retained even when power is removed.
• High capacity: The AT25640AY1-10YI-2.7 has a storage capacity of 256 kilobits (32 kilobytes).
• Low power consumption: It operates at a voltage of 2.7V and consumes minimal power during read and write operations.
• Fast access time: The product offers quick access to stored data, ensuring efficient performance.

Package

The AT25640AY1-10YI-2.7 is available in a compact 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 and persistence.

Packaging/Quantity

The AT25640AY1-10YI-2.7 is typically packaged in reels containing multiple units. The exact quantity per reel may vary depending on the manufacturer's specifications.

Specifications

• Memory Capacity: 256 kilobits (32 kilobytes)
• Operating Voltage: 2.7V
• Interface: Serial Peripheral Interface (SPI)
• Access Time: 20 ns (maximum)
• Data Retention: Up to 100 years
• Endurance: 1 million write cycles

Detailed Pin Configuration

1. Chip Select (/CS): Enables communication with the device when set to low.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Transfers data from the microcontroller to the device.
4. Serial Data Output (SO): Transfers data from the device to the microcontroller.
5. Write Protect (/WP): When set to low, prevents write operations.
6. VCC: Power supply voltage (2.7V).
7. Ground (GND): Common ground reference.
8. Hold (/HOLD): Suspends ongoing operations when set to low.

Functional Features

• Byte and Page Write Operations: Allows data to be written in individual bytes or larger page sizes for efficient programming.
• Sequential Read: Enables consecutive reading of data without the need for repeated address input.
• Software Protection: Provides a write protection mechanism through software commands.
• Hardware Protection: The /WP pin can be used to protect against accidental writes.
• High-Speed SPI Interface: Supports fast data transfer rates for improved performance.

Advantages and Disadvantages

Advantages

• Non-volatile memory ensures data persistence.
• High storage capacity for various applications.
• Low power consumption extends battery life.
• Fast access time enhances overall system performance.
• Multiple write protection mechanisms for data security.

Disadvantages

• Limited storage capacity compared to other memory technologies.
• Relatively slower access time compared to volatile memory.
• Requires an external microcontroller for data manipulation.

Working Principles

The AT25640AY1-10YI-2.7 utilizes the Serial Peripheral Interface (SPI) protocol to communicate with a microcontroller. It stores data in non-volatile memory cells that retain information even when power is removed. The device can be accessed by sending specific commands and addresses through the SPI interface, allowing for read and write operations.

Detailed Application Field Plans

The AT25640AY1-10YI-2.7 finds application in various electronic systems, including but not limited to: - Consumer electronics - Automotive systems - Industrial control systems - Medical devices - Communication equipment

Detailed and Complete Alternative Models

1. AT25DF321A: 32 megabit (4 megabyte) serial flash memory with similar characteristics and interface.
2. AT24C256: 256 kilobit (32 kilobyte) I2C-compatible EEPROM with different interface and functionality.

These alternative models offer similar storage capacities and non-volatile characteristics, catering to different interface requirements and system designs.

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