AT45DB081B-RI

Product Overview

Category

AT45DB081B-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

AT45DB081B-RI is available in a compact package, suitable for surface mount technology (SMT) applications.

Essence

The essence of AT45DB081B-RI lies in its ability to provide reliable and efficient data storage solutions for electronic devices.

Packaging/Quantity

AT45DB081B-RI is typically packaged in reels or trays, with a quantity of 2500 units per reel/tray.

Specifications

• Memory 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: 10,000 write cycles

Detailed Pin Configuration

The AT45DB081B-RI has a total of 8 pins, each serving a specific function:

1. Chip Select (/CS): Enables communication with 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): Controls write protection of the memory array.
6. Reset (/RESET): Resets the device to its default state.
7. VCC: Power supply input.
8. GND: Ground reference.

Functional Features

• Page program operation for efficient data storage.
• Continuous read mode for fast data retrieval.
• Sector erase capability for flexible memory management.
• Software and hardware protection mechanisms to prevent unauthorized access.
• Deep power-down mode for ultra-low power consumption during standby.

Advantages and Disadvantages

Advantages

• High-speed data transfer allows for quick access to stored information.
• 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.
• Limited endurance may be a concern for applications with frequent write operations.

Working Principles

AT45DB081B-RI utilizes the Serial Peripheral Interface (SPI) to communicate with a microcontroller. It stores data in non-volatile memory cells, which retain information even when power is disconnected. The device employs various algorithms and error correction techniques to ensure data reliability and integrity.

Detailed Application Field Plans

AT45DB081B-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

Detailed and Complete Alternative Models

1. AT45DB161E-SSHN-T: 16 megabit (2 megabyte) flash memory with similar features and package.
2. AT45DB321D-SU: 32 megabit (4 megabyte) flash memory with extended temperature range.
3. AT45DB641E-MWHN-T: 64 megabit (8 megabyte) flash memory with higher storage capacity.

These alternative models offer increased storage capacity or additional features, catering to different application requirements.

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