AT45DB321C-CNC

Product Overview

Category

AT45DB321C-CNC 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 storage capacity: The AT45DB321C-CNC has a storage capacity of 32 megabits (4 megabytes).
• Fast data transfer rate: It supports a maximum data transfer rate of up to 85 megabits per second.
• Low power consumption: Designed to operate with low power requirements.
• Reliable performance: Offers high endurance and data retention capabilities.
• Easy integration: Compatible with standard microcontrollers and interfaces.

Package

The AT45DB321C-CNC is available in a compact surface-mount package.

Essence

The essence of AT45DB321C-CNC 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 trays, with quantities varying based on customer requirements.

Specifications

• Memory capacity: 32 megabits (4 megabytes)
• Interface: Serial Peripheral Interface (SPI)
• Data transfer rate: Up to 85 megabits per second
• Operating voltage: 2.7V to 3.6V
• Operating temperature range: -40°C to +85°C
• Erase/Program cycles: 10,000 minimum

Detailed Pin Configuration

The AT45DB321C-CNC features a standard pin configuration 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. GND (Ground)

Functional Features

• Page-based architecture: Allows for efficient data storage and retrieval at the page level.
• Sector protection: Provides hardware-based sector protection to prevent accidental erasure or modification of critical data.
• Continuous read mode: Enables sequential reading of data without the need for repeated commands.
• Deep power-down mode: Reduces power consumption when the device is not in use.
• Software and hardware write protection: Ensures data integrity by preventing unauthorized write operations.

Advantages and Disadvantages

Advantages

• High storage capacity for a wide range of applications.
• Fast data transfer rate enables quick access to stored information.
• Low power consumption prolongs battery life in portable devices.
• Easy integration with standard microcontrollers simplifies system design.
• Reliable performance ensures data integrity and longevity.

Disadvantages

• Limited erase/program cycles may restrict certain high-write applications.
• Higher cost compared to lower-capacity flash memory options.
• Requires additional circuitry for proper interfacing with the host system.

Working Principles

The AT45DB321C-CNC utilizes a combination of floating gate and control gate transistors to store and retrieve data. It employs a serial interface, allowing for efficient communication with the host system. The device operates based on the principles of flash memory technology, where electrical charges are trapped within the floating gate to represent binary data.

Detailed Application Field Plans

The AT45DB321C-CNC finds application in various fields, including but not limited to: 1. Consumer electronics: Used in smartphones, tablets, digital cameras, and portable media players for data storage. 2. Automotive systems: Employed in infotainment systems, navigation units, and instrument clusters for storing maps, firmware, and other essential data. 3. Industrial automation: Utilized in programmable logic controllers (PLCs), human-machine interfaces (HMIs), and data loggers for storing configuration settings, logs, and historical data. 4. Medical devices: Integrated into medical equipment such as patient monitors, ultrasound machines, and diagnostic devices to store patient data and firmware.

Detailed and Complete Alternative Models

1. AT45DB321D-CNC: Similar to AT45DB321C-CNC with enhanced performance and features.
2. AT45DB641E-CNC: Offers double the storage capacity of AT45DB321C-CNC (64 megabits).
3. AT25SF041-SSHD-T: A smaller capacity alternative (4 megabits) with a different package and interface.

These alternative models provide options based on specific requirements and system constraints.

In conclusion, the AT45DB321C-CNC flash memory device offers high-capacity, reliable data storage in a compact form factor. Its fast data transfer rate, low power consumption, and easy integration make it suitable for various applications across different industries. While it has certain limitations, alternative models are available to cater to specific needs.