AT45DB321D-MU-2.5-SL383

Product Overview

Category

The AT45DB321D-MU-2.5-SL383 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 AT45DB321D-MU-2.5-SL383 retains stored data even when power is removed.
• High capacity: It offers a storage capacity of 32 megabits (4 megabytes).
• Fast access time: The device provides quick access to stored data with a low latency.
• Low power consumption: It operates efficiently, consuming minimal power during read and write operations.

Package

The AT45DB321D-MU-2.5-SL383 is available in a small form factor package, which ensures compatibility with space-constrained electronic devices.

Essence

The essence of this product lies in its ability to provide reliable and high-capacity data storage in a compact package, suitable for a wide range of electronic applications.

Packaging/Quantity

The AT45DB321D-MU-2.5-SL383 is typically packaged in reels or trays, containing a specified quantity of units per package. The exact packaging and 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 cycles

Detailed Pin Configuration

The AT45DB321D-MU-2.5-SL383 has a total of 8 pins, each serving a specific function:

1. Chip Select (/CS): Used to enable or disable the device for communication.
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 operations on the memory array.
6. Reset (/RESET): Resets the device to its default state.
7. VCC: Power supply input (+2.7V to +3.6V).
8. Ground (GND): Common ground reference.

Functional Features

• Page Program: Allows data to be written to the memory in page-sized increments.
• Sector Erase: Erases a specified sector of memory, enabling efficient data management.
• Continuous Read Mode: Facilitates sequential reading of data from the memory array.
• Deep Power-down Mode: Reduces power consumption when the device is not in use.
• Software Protection: Provides software-based protection against unauthorized access to stored data.

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited erase/program cycles may affect the lifespan of the device.
• Relatively higher cost compared to other memory technologies.
• Requires a compatible microcontroller with SPI interface for communication.

Working Principles

The AT45DB321D-MU-2.5-SL383 utilizes flash memory technology to store and retrieve digital data. It consists of multiple memory cells organized into sectors and pages. Data can be written to the memory using page programming, and specific sectors can be erased when necessary. The device communicates with a microcontroller through the Serial Peripheral Interface (SPI), enabling seamless data transfer.

Detailed Application Field Plans

The AT45DB321D-MU-2.5-SL383 finds applications in various electronic devices that require reliable and high-capacity data storage. Some potential application fields include:

1. Smartphones and tablets: Used for storing user data, such as photos, videos, and documents.
2. Digital cameras: Enables storage of captured images and videos.
3. Portable media players: Provides storage for music, movies, and other multimedia content.
4. Industrial control systems: Utilized for data logging and configuration storage.
5. Automotive electronics: Used for storing firmware, sensor data, and vehicle diagnostics.

Detailed and Complete Alternative Models

1. AT45DB161E-MU-2.5-SL383: A lower capacity variant with 16 megabits (2 megabytes) of storage.
2. AT45DB642D-MU-2.5-SL383