AT45DB321E-CCUF-T

Product Overview

Category

AT45DB321E-CCUF-T belongs to the category of flash memory devices.

Use

This product is primarily used for data storage and retrieval in various electronic devices such as smartphones, tablets, digital cameras, and portable media players.

Characteristics

• Non-volatile: The stored data is retained even when power is removed.
• High capacity: The AT45DB321E-CCUF-T has a storage capacity of 32 megabits (4 megabytes).
• Fast access time: It provides quick access to stored data, reducing latency.
• Low power consumption: The device operates efficiently, conserving battery life in portable devices.

Package

The AT45DB321E-CCUF-T is available in a compact 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of this product lies in its ability to store and retrieve data reliably and efficiently, making it an essential component in modern electronic devices.

Packaging/Quantity

The AT45DB321E-CCUF-T is typically packaged in reels containing multiple units. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Storage Capacity: 32 megabits (4 megabytes)
• 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/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 Operation: Allows data to be written in page-sized increments.
• Continuous Read Mode: Enables sequential reading of data from the memory array.
• Sector Erase Capability: Provides the ability to erase large blocks of data for efficient memory management.
• Deep Power-down Mode: Reduces power consumption when the device is not in use.
• Software Protection: Allows specific sectors or the entire memory to be write-protected.

Advantages and Disadvantages

Advantages

• High storage capacity for a wide range of applications.
• Fast access time ensures quick data retrieval.
• Low power consumption prolongs battery life.
• Compact package size allows for easy integration into various devices.
• Software protection enhances data security.

Disadvantages

• Limited erase/program cycles may affect the lifespan of the device.
• Relatively small storage capacity compared to other flash memory options.

Working Principles

The AT45DB321E-CCUF-T utilizes the Serial Peripheral Interface (SPI) to communicate with the host device. It stores data in non-volatile memory cells, which retain information even when power is removed. The device can be programmed to write data in page-sized increments and read data sequentially. Erasing large blocks of data is also possible, allowing for efficient memory management. The chip select pin enables the host device to select the AT45DB321E-CCUF-T for communication.

Detailed Application Field Plans

The AT45DB321E-CCUF-T finds application in various electronic devices that require reliable data storage and retrieval. Some potential fields where this product can be utilized include:

1. Smartphones and tablets: Used for storing user data, such as photos, videos, and documents.
2. Digital cameras: Enables the storage of high-resolution images and videos.
3. Portable media players: Stores music, videos, and other multimedia files.
4. Industrial control systems: Provides non-volatile storage for critical data in automation and control applications.
5. Automotive electronics: Used for storing firmware, configuration data, and diagnostic information.

Detailed and Complete Alternative Models

1. AT45DB321E-SHF-T: Similar to the AT45DB321E-CCUF-T but available in a different package.
2. AT45DB641E-SSHN-B: Offers double the storage capacity compared to the AT45DB321E-CCUF-T.
3. AT25SF041-SSHD-T: A smaller capacity alternative with 4 megabits (512 kilobytes) of storage.

These alternative models provide options with varying capacities and package sizes to suit different application requirements.

In conclusion, the AT45DB321E-CCUF-T flash memory device offers high-capacity, reliable data storage and retrieval capabilities. Its compact size, low power consumption, and software protection features make it suitable for a wide range of electronic devices. While it has limitations in terms of erase/program cycles and storage capacity, alternative models are available to cater to specific needs.