AT45DB081-RC

Product Overview

Category

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

Use

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

Characteristics

• Flash memory technology
• Non-volatile storage
• High-speed data transfer
• Low power consumption

Package

AT45DB081-RC is available in a compact package, suitable for integration into small electronic devices.

Essence

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

Packaging/Quantity

This product 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 - 3.6V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Up to 20 years
• Erase/Write Cycles: 10,000 minimum

Detailed Pin Configuration

The AT45DB081-RC 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): 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): Enables or disables write protection.
6. Reset (/RESET): Resets the device to its default state.
7. Ground (GND): Connects to the ground reference.
8. Power Supply (VCC): Provides the operating voltage to the device.

Functional Features

• Page Program Operation: Allows data to be written in page mode, enhancing write efficiency.
• Continuous Read Mode: Enables sequential reading of data without the need for readdressing.
• Sector Erase Capability: Supports erasing of specific sectors, providing flexibility in data management.
• Software Protection: Offers software-based protection mechanisms to prevent unauthorized access.

Advantages and Disadvantages

Advantages

• High-speed data transfer allows for efficient read and write operations.
• Non-volatile storage ensures data retention even during power loss.
• Low power consumption extends battery life in portable devices.
• Compact package size facilitates integration into various electronic devices.

Disadvantages

• Limited erase/write cycles may restrict the lifespan of the device.
• Higher cost compared to other memory technologies.
• Relatively small memory size may not be suitable for applications requiring large storage capacity.

Working Principles

AT45DB081-RC utilizes flash memory technology to store and retrieve data. It employs a Serial Peripheral Interface (SPI) for communication with the microcontroller. The device operates by receiving commands and data from the microcontroller, which are then stored in the flash memory cells. During read operations, the stored data is retrieved and transferred back to the microcontroller.

Detailed Application Field Plans

AT45DB081-RC finds application in various electronic devices, including but not limited to: - Smartphones and tablets - Digital cameras - Portable media players - Automotive electronics - Industrial control systems

Detailed and Complete Alternative Models

1. AT45DB161E-SSHN-T: 16 megabit (2 megabyte) flash memory with SPI interface.
2. AT45DB321D-SU: 32 megabit (4 megabyte) flash memory with SPI interface.
3. AT45DB641E-MWHN-T: 64 megabit (8 megabyte) flash memory with SPI interface.

These alternative models offer increased memory sizes while maintaining compatibility with the SPI interface.

In conclusion, AT45DB081-RC is a flash memory device that provides efficient and reliable data storage solutions for various electronic devices. With its high-speed data transfer, low power consumption, and compact package size, it offers several advantages in terms of performance and integration. However, limitations such as limited erase/write cycles and relatively small memory size should be considered when selecting this product for specific applications.