AT45DB081D-SU-2.5

Product Overview

Category

The AT45DB081D-SU-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.

Characteristics

• Serial interface for easy integration with microcontrollers
• High-speed data transfer rate
• Low power consumption
• Wide operating voltage range
• Durable and reliable performance

Package

The AT45DB081D-SU-2.5 is available in a small form factor package, making it suitable for space-constrained applications.

Essence

The essence of this product lies in its ability to provide non-volatile memory storage with fast access times and low power consumption.

Packaging/Quantity

The AT45DB081D-SU-2.5 is typically packaged in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Memory Size: 8 megabits (1 megabyte)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V to 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 AT45DB081D-SU-2.5 has a total of 8 pins, each serving a specific function:

1. VCC: Power supply input
2. GND: Ground connection
3. SI: Serial data input
4. SO: Serial data output
5. SCK: Serial clock input
6. CS: Chip select input
7. WP: Write protect input
8. HOLD: Hold input

Functional Features

• Page Program Operation: Allows individual bytes or full pages to be programmed
• Continuous Read Mode: Enables sequential reading of data without the need for readdressing
• Sector Erase Operation: Erases a specific sector of memory
• Deep Power-down Mode: Reduces power consumption when the device is not in use
• Software Protection: Provides security by allowing write protection of selected memory areas

Advantages and Disadvantages

Advantages

• Compact size and low power consumption make it suitable for portable devices
• High-speed data transfer enables efficient data storage and retrieval
• Wide operating voltage range allows compatibility with various systems
• Durable performance ensures reliable operation over an extended period

Disadvantages

• Limited memory capacity compared to larger storage options
• Requires a compatible microcontroller with SPI interface for communication

Working Principles

The AT45DB081D-SU-2.5 utilizes flash memory technology to store and retrieve data. It employs a serial interface, specifically the Serial Peripheral Interface (SPI), to communicate with a microcontroller. The device can be programmed at the byte or page level, and data can be read sequentially without the need for readdressing. The memory can be erased at the sector level, providing flexibility in managing stored data.

Detailed Application Field Plans

The AT45DB081D-SU-2.5 finds applications in various electronic devices that require non-volatile memory storage. Some potential application fields include:

1. Consumer Electronics: Used in digital cameras, MP3 players, and portable gaming devices for storing media files.
2. Industrial Automation: Employed in data loggers, control systems, and measurement instruments for storing critical data.
3. Automotive Systems: Integrated into infotainment systems, navigation units, and engine control modules for data storage purposes.
4. Medical Devices: Utilized in medical equipment such as patient monitors and diagnostic devices for storing patient data.

Detailed and Complete Alternative Models

1. AT45DB161E-SU: Offers higher memory capacity of 16 megabits (2 megabytes) with similar features and interface.
2. AT45DB321E-SU: Provides even larger memory capacity of 32 megabits (4 megabytes) while maintaining compatibility with the AT45DB series.
3. AT25SF041-SSHD-T: A serial flash memory alternative with 4 megabits (512 kilobytes) of storage capacity, suitable for smaller-scale applications.

(Note: The above alternative models are just a few examples and not an exhaustive list.)

In conclusion, the AT45DB081D-SU-2.5 is a compact and versatile Serial DataFlash® Memory device that offers reliable data storage and retrieval capabilities. With its high-speed operation, low power consumption, and wide range of applications, it serves as a valuable component in various electronic systems.