AT26DF321-SU

Product Overview

Category

AT26DF321-SU belongs to the category of Serial Flash Memory.

Use

It is primarily used for storing and retrieving digital information in electronic devices.

Characteristics

• High storage capacity
• Serial interface for easy integration
• Fast read and write operations
• Low power consumption
• Reliable data retention

Package

AT26DF321-SU comes in a small form factor package, making it suitable for space-constrained applications.

Essence

The essence of AT26DF321-SU lies in its ability to provide non-volatile memory storage with high performance and reliability.

Packaging/Quantity

This product is typically packaged in reels or trays, with a quantity of 250 units per reel/tray.

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: 100,000 cycles

Detailed Pin Configuration

1. VCC - Power Supply
2. GND - Ground
3. HOLD - Suspends ongoing operation
4. WP - Write Protect
5. SCK - Serial Clock
6. SI - Serial Input
7. SO - Serial Output
8. CS - Chip Select

Functional Features

• High-speed data transfer
• Sector-based erase and program operations
• Software and hardware protection mechanisms
• Flexible power-saving modes
• Status register for monitoring operations

Advantages

• Large storage capacity for data-intensive applications
• Compact package size for space-constrained designs
• Low power consumption extends battery life
• High-speed data transfer improves overall system performance
• Reliable data retention ensures long-term storage integrity

Disadvantages

• Limited erase and program cycles may affect product lifespan
• Serial interface may have slower data transfer rates compared to parallel interfaces
• Higher cost per unit compared to lower capacity flash memory options

Working Principles

AT26DF321-SU utilizes the Serial Peripheral Interface (SPI) to communicate with the host device. It stores data in non-volatile memory cells, which can be erased and programmed at the sector level. The SPI interface allows for fast read and write operations, making it suitable for applications that require quick access to stored information.

Detailed Application Field Plans

AT26DF321-SU finds application in various electronic devices, including but not limited to: - Consumer electronics (e.g., smartphones, tablets) - Automotive systems (e.g., infotainment, instrument clusters) - Industrial equipment (e.g., control systems, data loggers) - Medical devices (e.g., patient monitoring, diagnostic equipment)

Detailed and Complete Alternative Models

1. AT25SF041 - 4 Megabit Serial Flash Memory
2. AT45DB161E - 16 Megabit DataFlash Memory
3. MX25L12835F - 128 Megabit Serial Flash Memory
4. W25Q256JV - 256 Megabit SpiFlash Memory

These alternative models offer different storage capacities and features, allowing designers to choose the most suitable option for their specific requirements.

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