AT45DB321C-RC

Product Overview

Category

AT45DB321C-RC 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: Retains data even when power is turned off.
• High capacity: Offers a storage capacity of 32 megabits (4 megabytes).
• Serial interface: Communicates with the host device using a serial protocol.
• Low power consumption: Designed to minimize energy usage.
• Fast access time: Provides quick data retrieval and storage operations.

Package

AT45DB321C-RC is available in a standard 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of AT45DB321C-RC lies in its ability to provide reliable and high-capacity data storage in a compact form factor.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each containing a specific quantity of devices. The exact packaging and quantity may vary depending on the supplier.

Specifications

• Memory capacity: 32 megabits (4 megabytes)
• Interface: Serial Peripheral Interface (SPI)
• Supply voltage: 2.7V to 3.6V
• Operating temperature range: -40°C to +85°C
• Data retention: Up to 20 years
• Erase/program cycles: 10,000 minimum

Pin Configuration

The AT45DB321C-RC features an 8-pin SOIC package with the following pin configuration:

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

Functional Features

• Page-based architecture: Allows for efficient data storage and retrieval at the page level.
• Continuous read mode: Enables sequential reading of data without requiring repeated address input.
• Sector protection: Provides hardware-based protection for specific memory sectors.
• Software-controlled write protection: Allows users to protect certain areas of memory using software commands.
• Fast programming time: Facilitates quick data writing operations.

Advantages and Disadvantages

Advantages

• High storage capacity
• Low power consumption
• Compact form factor
• Fast access time
• Reliable data retention

Disadvantages

• Limited erase/program cycles
• Relatively high cost compared to other memory options

Working Principles

AT45DB321C-RC utilizes a combination of floating gate and control gate transistors to store and retrieve data. When data is written, charges are trapped in the floating gate, altering the transistor's conductive properties. During read operations, the stored charges are sensed, allowing the data to be retrieved.

Detailed Application Field Plans

AT45DB321C-RC 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) - Communication devices (e.g., routers, modems)

Alternative Models

Several alternative models with similar functionality to AT45DB321C-RC are available in the market. Some notable alternatives include: - AT25SF041: Offers a lower storage capacity but provides similar features and interface compatibility. - MX25L3206E: Provides a higher storage capacity and comparable performance characteristics. - S25FL032P: Features a different package type but offers similar specifications and functionality.

In conclusion, AT45DB321C-RC is a flash memory device that provides high-capacity data storage in a compact form factor. Its serial interface, low power consumption, and fast access time make it suitable for various applications in consumer electronics, automotive systems, industrial equipment, and communication devices. While it has limitations such as limited erase/program cycles and relatively higher cost, there are alternative models available in the market with similar functionality.