AT45DB321D-TU-SL383

Product Overview

Category

AT45DB321D-TU-SL383 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
• Small form factor
• Reliable and durable

Package

AT45DB321D-TU-SL383 is available in a small outline package (SLP) format.

Essence

The essence of AT45DB321D-TU-SL383 lies in its ability to provide reliable and high-speed data storage in a compact package.

Packaging/Quantity

This product is typically packaged in reels, with a quantity of 2500 units per reel.

Specifications

• Memory Size: 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

The AT45DB321D-TU-SL383 has a total of 8 pins, which are as follows:

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

• Dual-interface: Supports both SPI and RapidS serial interface modes.
• Page Program: Allows programming of data in page mode, enhancing efficiency.
• Continuous Read Mode: Enables sequential reading of data without the need for readdressing.
• Sector Erase: Provides the ability to erase large blocks of data for efficient memory management.
• Software Protection: Allows write protection of specific sectors or the entire memory array.

Advantages and Disadvantages

Advantages

• High-speed data transfer enables quick access to stored information.
• Low power consumption prolongs battery life in portable devices.
• Small form factor allows integration into space-constrained designs.
• Reliable and durable, ensuring data integrity over extended periods.

Disadvantages

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

Working Principles

AT45DB321D-TU-SL383 utilizes a combination of floating gate and control gate transistors to store and retrieve data. The memory cells are organized into sectors, pages, and bytes, allowing efficient read and write operations. The SPI interface facilitates communication between the device and the host system, enabling seamless data transfer.

Detailed Application Field Plans

AT45DB321D-TU-SL383 finds applications in various electronic devices, including but not limited to: - Consumer electronics (e.g., digital cameras, MP3 players) - Automotive systems (e.g., infotainment systems, navigation units) - Industrial equipment (e.g., data loggers, control systems) - Medical devices (e.g., patient monitors, diagnostic equipment)

Detailed and Complete Alternative Models

1. AT45DB161D-TU-SL383: 16 megabit (2 megabyte) flash memory with similar features and package.
2. AT45DB641D-TU-SL383: 64 megabit (8 megabyte) flash memory with increased storage capacity.

These alternative models offer different memory sizes while maintaining compatibility with the same package and interface.

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