AT45DB081-RI

Product Overview

Category

AT45DB081-RI belongs to the category of flash memory devices.

Use

It is primarily used for data storage and retrieval in various electronic devices.

Characteristics

• Non-volatile memory
• High-speed data transfer
• Low power consumption
• Reliable and durable
• Easy integration into existing systems

Package

AT45DB081-RI is available in a compact package, suitable for surface mount technology (SMT) applications.

Essence

The essence of AT45DB081-RI lies in its ability to provide reliable and efficient data storage solutions for electronic devices.

Packaging/Quantity

AT45DB081-RI is typically packaged in reels or trays, with a quantity of 2500 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
• Erase/Program Cycles: 10,000 cycles

Detailed Pin Configuration

The AT45DB081-RI has a total of 8 pins, each serving a specific function:

1. Chip Select (/CS): Used to enable or disable the device.
2. Serial Clock (SCK): Provides the clock signal for data transfer.
3. Serial Data Input (SI): Receives data from the host device.
4. Serial Data Output (SO): Transmits data to the host device.
5. Write Protect (/WP): Enables or disables write protection.
6. Reset (/RESET): Resets the device to its default state.
7. VCC: Power supply voltage input.
8. GND: Ground reference.

Functional Features

• Page Program: Allows data to be written in page-sized increments.
• Sector Erase: Enables erasing of entire sectors for efficient memory management.
• Continuous Read Mode: Facilitates sequential reading of data without the need for repeated commands.
• Deep Power-down Mode: Reduces power consumption when the device is not in use.
• Software Protection: Provides software-based protection against unauthorized access.

Advantages and Disadvantages

Advantages

• High-speed data transfer enables quick read/write operations.
• Low power consumption prolongs battery life in portable devices.
• Reliable and durable, ensuring data integrity over extended periods.
• Easy integration into existing systems due to its standard interface.

Disadvantages

• Limited storage capacity compared to higher-capacity flash memory devices.
• Relatively higher cost per megabyte compared to other memory technologies.

Working Principles

AT45DB081-RI utilizes a combination of floating-gate transistors and NAND flash memory technology. Data is stored in individual memory cells by trapping electrons in the floating gate, which can be electrically programmed or erased. The Serial Peripheral Interface (SPI) allows for easy communication between the host device and the flash memory.

Detailed Application Field Plans

AT45DB081-RI finds applications in various electronic devices, including but not limited to: - Consumer electronics (e.g., smartphones, tablets) - Automotive systems (e.g., infotainment systems, navigation units) - Industrial control systems - Medical devices - Internet of Things (IoT) devices

Alternative Models

For those seeking alternative models with similar functionality, the following options are available: - AT45DB161E-SSHN-T: 16 megabit (2 megabyte) flash memory device with SPI interface. - AT45DB321E-SHN-B: 32 megabit (4 megabyte) flash memory device with SPI interface. - AT45DB641E-MHN-T: 64 megabit (8 megabyte) flash memory device with SPI interface.

These alternative models offer increased storage capacity while maintaining compatibility with the Serial Peripheral Interface (SPI).

In conclusion, AT45DB081-RI is a reliable and efficient flash memory device that provides high-speed data storage and retrieval capabilities. Its compact package, low power consumption, and easy integration make it suitable for various electronic applications. While it may have limitations in terms of storage capacity and cost, alternative models with higher capacities are available to meet specific requirements.