AT45DB041A-RC-2.5

Product Overview

Category

The AT45DB041A-RC-2.5 belongs to the category of Serial DataFlash® Memory.

Use

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

Characteristics

• Non-volatile memory: The AT45DB041A-RC-2.5 retains stored data even when power is disconnected.
• High storage capacity: This model offers a storage capacity of 4 megabits (512 kilobytes).
• Serial interface: It utilizes a serial peripheral interface (SPI) for communication with other devices.
• Low power consumption: The AT45DB041A-RC-2.5 operates at low power levels, making it suitable for battery-powered applications.
• Fast data transfer: With a maximum clock frequency of 85 MHz, this device enables rapid data transfer rates.

Package

The AT45DB041A-RC-2.5 is available in an industry-standard 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of the AT45DB041A-RC-2.5 lies in its ability to provide reliable and high-capacity non-volatile memory storage in a compact form factor.

Packaging/Quantity

This product is typically packaged in reels or tubes, containing a quantity of 250 units per package.

Specifications

• Memory Capacity: 4 megabits (512 kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Clock Frequency: Up to 85 MHz
• Supply Voltage: 2.7V - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Up to 20 years
• Endurance: 100,000 write cycles

Detailed Pin Configuration

The AT45DB041A-RC-2.5 features the following pin configuration:

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

Functional Features

• Page Program Operation: Allows data to be written in page-sized increments.
• Continuous Read Mode: Enables sequential reading of multiple memory pages.
• Sector Erase Capability: Supports erasing of entire sectors for efficient memory management.
• Software Protection: Provides software-controlled write protection for specific memory areas.
• Deep Power-down Mode: Reduces power consumption to a minimum when the device is not in use.

Advantages and Disadvantages

Advantages

• High storage capacity for its compact size.
• Fast data transfer rates facilitate efficient data handling.
• Low power consumption extends battery life in portable devices.
• Reliable non-volatile memory ensures data integrity.
• Flexible interface allows easy integration with various microcontrollers.

Disadvantages

• Limited storage capacity compared to higher-end memory solutions.
• Relatively slower write speeds compared to some alternative models.
• Lack of built-in security features for data protection.

Working Principles

The AT45DB041A-RC-2.5 utilizes flash memory technology to store and retrieve digital data. It employs a serial peripheral interface (SPI) for communication with external devices. The memory cells within the device are organized into sectors, which can be individually erased or programmed. Data can be written to the memory in page-sized increments, and sequential reading is supported for efficient data retrieval. The device operates at low power levels and offers reliable non-volatile storage, making it suitable for a wide range of applications.

Detailed Application Field Plans

The AT45DB041A-RC-2.5 finds applications in various electronic devices, including but not limited to: - Microcontrollers and embedded systems - Digital cameras and camcorders - Portable media players and audio devices - Automotive electronics - Industrial control systems - Medical equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the AT45DB041A-RC-2.5 include: - AT25SF041: A 4-megabit SPI flash memory with similar characteristics and package options. - MX25L4006E: A 4-megabit serial flash memory with comparable specifications and pin configuration. - SST25VF040B: Another 4-megabit SPI flash memory suitable for similar applications.

These alternative models can be considered based on specific requirements and compatibility with existing designs.

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