AT45DB081B-TI-2.5

Product Overview

Category

The AT45DB081B-TI-2.5 belongs to the category of flash memory devices.

Use

This product is commonly used for data storage and retrieval in various electronic devices, such as smartphones, tablets, digital cameras, and portable media players.

Characteristics

• Non-volatile: The AT45DB081B-TI-2.5 retains stored data even when power is disconnected.
• High capacity: This flash memory device has a storage capacity of 8 megabits (1 megabyte).
• Fast access time: It offers quick read and write operations, ensuring efficient data transfer.
• Low power consumption: The AT45DB081B-TI-2.5 is designed to minimize energy usage, extending battery life in portable devices.

Package

This product is available in a small form factor package, making it suitable for space-constrained applications. It is commonly found in a Thin Small Outline Package (TSOP).

Essence

The AT45DB081B-TI-2.5 is an essential component for storing and retrieving data in electronic devices. Its non-volatile nature ensures that important information remains intact, even during power interruptions.

Packaging/Quantity

Typically, the AT45DB081B-TI-2.5 is sold in reels or trays, with each reel containing a specific quantity of devices. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Storage Capacity: 8 megabits (1 megabyte)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Up to 20 years
• Endurance: 100,000 write cycles per sector

Detailed Pin Configuration

The AT45DB081B-TI-2.5 has a total of 8 pins, each serving a specific purpose:

1. Chip Select (/CS): Used to enable or disable the device for communication.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Transfers data from the microcontroller to the flash memory.
4. Serial Data Output (SO): Transfers data from the flash memory to the microcontroller.
5. Write Protect (/WP): Enables or disables write operations on the device.
6. Reset (/RESET): Resets the device to its default state.
7. VCC: Power supply input (+2.7V to +3.6V).
8. Ground (GND): Common ground reference.

Functional Features

• Page Program: Allows data to be written in page-sized increments.
• Sector Erase: Erases a specific sector of the flash memory.
• Block Erase: Erases a larger block of memory, consisting of multiple sectors.
• Continuous Read Mode: Enables sequential reading of data without requiring repeated commands.
• Software Protection: Provides software-based protection against accidental erasure or modification of stored data.

Advantages and Disadvantages

Advantages

• High storage capacity for a wide range of applications.
• Fast access time ensures efficient data transfer.
• Low power consumption extends battery life in portable devices.
• Non-volatile nature preserves data integrity during power interruptions.
• Compact package size suitable for space-constrained designs.

Disadvantages

• Limited endurance with a maximum of 100,000 write cycles per sector.
• Relatively higher cost compared to other non-volatile memory options.
• Requires an external microcontroller for interfacing and control.

Working Principles

The AT45DB081B-TI-2.5 utilizes a combination of floating gate transistors and memory cells to store data. When data is written, charges are trapped in the floating gate, altering the transistor's behavior and preserving the stored information. During read operations, the charges are detected, allowing the retrieval of the stored data.

Detailed Application Field Plans

The AT45DB081B-TI-2.5 finds applications in various electronic devices that require non-volatile storage capabilities. Some specific application fields include:

1. Smartphones and Tablets: Used for storing user data, such as contacts, messages, and application settings.
2. Digital Cameras: Stores captured images and videos.
3. Portable Media Players: Provides storage for audio and video files.
4. Industrial Control Systems: Used for data logging and configuration storage.
5. Automotive Electronics: Stores firmware, sensor data, and system configurations.

Detailed and Complete Alternative Models

1. AT25SF081: Similar flash memory device with 8 megabits capacity, SPI interface, and low power consumption.
2. MX25L8006E: Flash memory chip with 8 megabits capacity, SPI interface, and extended temperature range.
3. S25