AT45DB011-XI

Product Overview

• Category: Integrated Circuit (IC)
• Use: Data Storage
• Characteristics: Non-volatile, Serial Interface, Flash Memory
• Package: 8-pin SOIC (Small Outline Integrated Circuit)
• Essence: The AT45DB011-XI is a flash memory IC designed for data storage applications. It offers non-volatile storage capabilities with a serial interface for easy integration into various electronic devices.
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Memory Size: 1 Megabit (128 Kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage: 2.7V to 3.6V
• Operating Temperature: -40°C to +85°C
• Data Retention: Up to 20 years
• Program/Erase Cycles: 10,000 cycles

Pin Configuration

The AT45DB011-XI has an 8-pin SOIC package with the following pin configuration:

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

Functional Features

• Page Program: Allows individual bytes or full pages to be programmed.
• Sector Erase: Erases a sector (256 pages) of memory at once.
• Block Erase: Erases a block (16 sectors) of memory at once.
• Chip Erase: Erases the entire memory array.
• Continuous Read Mode: Enables continuous reading of data from consecutive memory locations.
• Software Protection: Provides software protection against accidental erasure or programming.

Advantages and Disadvantages

Advantages: - Non-volatile storage ensures data retention even without power. - Serial interface allows for easy integration with various microcontrollers. - Compact package size enables space-saving designs. - High endurance with 10,000 program/erase cycles.

Disadvantages: - Limited memory size compared to higher-capacity flash memory ICs. - Slower write speeds compared to some other flash memory technologies.

Working Principles

The AT45DB011-XI utilizes a floating gate transistor technology to store data in its memory cells. It employs the Serial Peripheral Interface (SPI) for communication with external devices. The IC can be programmed and erased at the byte, page, sector, or block level, providing flexibility for different data storage requirements.

Application Field Plans

The AT45DB011-XI is suitable for a wide range of applications, including but not limited to: - Consumer Electronics: Digital cameras, portable media players, gaming consoles. - Industrial Control Systems: Data loggers, automation equipment, measurement devices. - Automotive Electronics: Infotainment systems, instrument clusters, telematics. - Medical Devices: Patient monitoring systems, diagnostic equipment, medical imaging.

Alternative Models

For users requiring different memory capacities or additional features, alternative models to consider include: - AT45DB021-XI: 2 Megabit (256 Kilobytes) - AT45DB041-XI: 4 Megabit (512 Kilobytes) - AT45DB081-XI: 8 Megabit (1 Megabyte)

These alternative models offer increased memory sizes while maintaining similar characteristics and functionality.

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