AT45DB321D-CCU

Product Overview

Category

AT45DB321D-CCU 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
• Wide temperature range operation

Package

AT45DB321D-CCU is available in a compact 8-pin SOIC package.

Essence

The essence of AT45DB321D-CCU lies in its ability to provide reliable and high-performance data storage solutions for electronic devices.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing a specific quantity of AT45DB321D-CCU units.

Specifications

• Memory capacity: 32 megabits (4 megabytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating voltage: 2.7V - 3.6V
• Data retention: Up to 20 years
• Erase/Program cycles: 10,000 minimum

Detailed Pin Configuration

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

Functional Features

• Page program and erase operations
• Continuous read mode
• Sector protection mechanism
• Software and hardware write protection
• Deep power-down mode for low-power applications

Advantages and Disadvantages

Advantages

• High-speed data transfer enables quick access to stored information.
• Low power consumption prolongs battery life in portable devices.
• Wide temperature range operation ensures reliability in extreme environments.
• Sector protection mechanism enhances data security.

Disadvantages

• Limited memory capacity compared to higher-end flash memory devices.
• Relatively lower erase/program cycles may restrict frequent data modification.

Working Principles

AT45DB321D-CCU utilizes the Serial Peripheral Interface (SPI) to communicate with the host device. It employs a combination of floating gate and control gate transistors to store and retrieve data. The memory cells are organized into sectors, allowing for efficient read, write, and erase operations.

Detailed Application Field Plans

AT45DB321D-CCU finds applications in various electronic devices, including but not limited to: 1. Smartphones and tablets 2. Digital cameras 3. Portable media players 4. Automotive electronics 5. Industrial control systems

Detailed and Complete Alternative Models

1. AT45DB321E-CCU: Similar to AT45DB321D-CCU with enhanced features.
2. AT45DB641E-CCU: Higher capacity variant with 64 megabits (8 megabytes) memory.
3. AT45DB642D-CCU: Dual-bank version providing increased flexibility in data storage.

These alternative models offer similar functionality while catering to different memory capacity requirements.

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