AT45DB021B-RC

Product Overview

Category

AT45DB021B-RC belongs to the category of Serial DataFlash® Memory.

Use

It is primarily used for data storage and retrieval in various electronic devices.

Characteristics

• High-speed serial interface
• Non-volatile memory technology
• Low power consumption
• Wide operating voltage range
• Small form factor

Package

AT45DB021B-RC is available in a compact 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of AT45DB021B-RC lies in its ability to provide reliable and efficient data storage solutions for electronic devices.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing a specific quantity of AT45DB021B-RC chips.

Specifications

• Memory Size: 2 megabits (256 kilobytes)
• Interface: Serial Peripheral Interface (SPI)
• Operating Voltage Range: 2.7V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Write/Erase Endurance: 10,000 cycles
• Data Retention: Up to 20 years

Pin Configuration

The AT45DB021B-RC has the following pin configuration:

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

Functional Features

• Dual-interface architecture for simultaneous read and write operations
• Page program operation for fast data writes
• Continuous read mode for efficient data retrieval
• Sector erase capability for flexible memory management
• Software and hardware protection features for data security

Advantages and Disadvantages

Advantages

• High-speed data transfer rate
• Low power consumption
• Compact form factor
• Wide operating voltage range
• Reliable and durable memory technology

Disadvantages

• Limited storage capacity compared to higher-capacity memory devices
• Relatively higher cost per megabit compared to some alternative models

Working Principles

AT45DB021B-RC utilizes non-volatile memory technology, which allows it to retain stored data even when the power is turned off. It communicates with the host device through the Serial Peripheral Interface (SPI), enabling fast and efficient data transfer. The memory can be written to or erased in pages, providing flexibility for data management.

Detailed Application Field Plans

AT45DB021B-RC finds applications in various electronic devices, including but not limited to: - Consumer electronics (e.g., digital cameras, portable media players) - Industrial control systems - Automotive electronics - Medical devices - Communication equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to AT45DB021B-RC include: - AT25DF021A - MX25L2006E - W25Q16JV

These models provide comparable features and can be considered as alternatives based on specific requirements and compatibility with the target system.

In conclusion, AT45DB021B-RC is a reliable and versatile Serial DataFlash® Memory product that offers high-speed data transfer, low power consumption, and flexible memory management capabilities. Its compact size and wide operating voltage range make it suitable for various electronic applications. However, its limited storage capacity and relatively higher cost per megabit should be taken into consideration when selecting an appropriate memory solution.